Size Decrease

Stories that feature guys that get smaller. See also Size Growth, for guys that get bigger.

Related: Getting Taller; Giants; Plausible Size Difference; Size Increase.

Child of: Size/Size Difference.

Top Stories: “Chuck, the size thief”; “Public relations”; “Alex in Wonderland”; “Changr pill party”; “The Latin twins”; “Project Cerulean MX”; “Onion Hill Manor”; “The need to obey”; “Hard to hide”; “The six pack”.

Recently Updated: “The expedition”; “Resolutions”; “The cock bois”; “The witch’s menagerie”; “Volleyed”; “Business trip”; “The Ixlutani”; “Keith the new guy”.

70 stories found. Total word count: 956,897.

• Alex and the giant by JB  Giant PSD SizeDn SizeUp  Alex finds himself irresistibly attracted to a man who can change his size at will. Added Jan 2019 4,284 words 12,600 views 4.5 stars (10 votes)
• Alex in Wonderland by Anarchy A  CockUp Balls Cock HyCock HyCum HyMusc MuscUp Musc SizeDn SizeUp  Alex follows mysterious man into a forest, and quickly finds himself in a strange new world, deep below the ground. Added Jan 2016 Updated Apr 2017 3 parts 6,184 words 38,581 views 4.4 stars (40 votes)
• All good gifts by Sean Innicioni  Herm Tf SizeDn   Added May 2011 1,419 words 17,715 views

• Bait and tackle by Ziel  CockUp CockDn MuscUp MuscDn SizeDn SizeUp Hum Super Series  Sapp continues his size-draining activities. This time against the speed and power of a hero called Linebacker. Added Apr 2020 5,442 words 8,149 views
• The beast with a billion boners by Ziel  Rep SizeDn Tent  Occult book store employees Lee and Gavin discover a comic book called "Beast with a Billion Boners." They figure they’ve both seen enough hentai to know where this is going. They were wrong. Some tentacle fun, raunchy gay smut, and even some shrinking and macro/micro sizeplay ensue. Added Dec 2015 9,663 words 10,288 views 4.8 stars (6 votes)
• Big time! by Tyblair  SizeDn   Added Jul 2002 3 parts 4,777 words 27,399 views 4.3 stars (9 votes)
• A blessing in disguise by Jo Psmythe  CockUp Cock HyCock XDig XAbs XHead XArms XLimb XPec Stack Str PSD SizeDn SizeUp Sugg Vore  Colin, an over-stressed college student, meets the man of his dreams in Chris. But Chris has a secret that might drive them apart—or bring them even closer together. Added Sep 2019 5,422 words 8,286 views 5.0 stars (6 votes)
• Business trip by BeefyDutch  CockUp Cock HyCum MuscUp BellyUp Taller SizeDn Fatter  Bill is a hardworking guy who travels. Before he leaves for his current trip, his coworker André slips some of his new protein supplement into his coffee with some big side effects. Added Aug 2021 7,889 words 4,496 views 4.6 stars (7 votes)

• Canis drainem edit by Ziel  Grad SizeDn Nonc  Pals Cecil and Harvey have a plan to cut the resident bully down to size, but things quickly spiral out of control. Added Jun 2020 Updated Jun 2021 6 parts 19,461 words 7,494 views
• Changr pill party by matt1008  CockUp Cock HyCock MuscUp Musc SizeDn SizeUp Infl App  Campus alpha-male Nick plans an unusual party for his buddies, having got hold of a round of Changr pills that produce temporary, unknown, and not always desirable transformations. Added Jul 2015 6 parts 10,718 words 34,319 views 4.4 stars (23 votes)
• Chuck, the size thief by spacevlad  MuscUp Gut MuscDn Musc BellyUp Voice Giant PSD SizeDn SizeUp Fatter Infl Viol Nonc Absorb  Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 73,794 views 4.5 stars (23 votes)
• The cock bois by CockTFBoi  CockDn NoCock 2Cock HyCum Tf SizeDn SizeUp  When Colin gets a text from a blocked number he is drawn into an adventure to uncover a conspiracy and find his boyfriend. Added Mar 2021 Updated Sep 2021 6 parts 17,761 words 6,590 views 4.7 stars (7 votes)
• Consciousness hacking, hexed underpants, and the divine erection by Jesiah  CockUp CockDn SizeDn Nonc Supn  Paul got a thrill from attempting to extort modest sums of money from your ordinary, every-day, mostly-law-abiding Internet citizens. Unfortunately for Paul, in this instance he chose the wrong target! His ‘victim’ turned the tables and Paul himself gets ‘hacked’, but not in the usual sense of the word. Added Dec 2018 2,434 words 7,218 views 3.2 stars (5 votes)
• Conservation of Matt by BRK  MuscUp Musc SizeDn Hallow M/M  Working his checkout line on Halloween, Brady, to his dismay, spots his least favorite person: Matt Lansing, the bully who’d tormented him for being short and gay in high school. If only someone would cut that jerk down to size! Added Oct 2017 3 parts 5,108 words 11,057 views 4.7 stars (12 votes)
• Curiouser and curiouser by Dream Big  CockUp Giant SizeDn Fant  Alex, exploring Oxford with his eccentric math professor, finds himself lost, confused, and changed by his brush with the mysterious world he stumbles into. Added Sep 2020 6 parts 4,705 words 2,378 views

• Encounters on the rue de l’estranger by Callum James  SizeDn   Added Feb 2003 2,254 words 7,235 views 4.4 stars (5 votes)
• Evening body by sixonedude  SizeDn SizeUp   Added Mar 2009 932 words 11,614 views 3.4 stars (5 votes)
• The expedition by BRK  AlwHard CockUp Cock XCock XLeg XLimb 3Legs HyStr MuscUp Musc NoShirts Libido PSD SizeDn SizeUp TongueGr AgeDiff M/M  An archaeologist and his research assistant, joined at the last minute by a jock desperate to boost his GPA, embark on a preliminary exploration of a mysterious Aegean island. Added Jul 2021 Updated Sep 2021 10 parts 17,917 words 4,540 views 4.9 stars (7 votes)

• Figurines by RdyRoger  CockUp Balls Cock HyCum MuscUp Musc Libido Handsomer SizeDn SizeUp Race Hairier TongueGr  A pair of bracelets let the wearer gain the proportions and attributes of any figurine you pick up. Once you understand that, you start to realize there are some very well-built figurines out there... Added Feb 2009 4 parts 9,284 words 25,767 views 4.6 stars (18 votes)
• The four jocks: Vegas by NBCK99  MuscUp Musc SizeDn Retcon Series  When Will spends a week in Vegas with a trio of acrobats, a certain game helps him loosen up and get closer to his friends. Added May 2021 3,827 words 2,252 views
• Fun with math by Josef Howard  CockUp Balls Cock MuscUp Musc SizeDn SizeUp  Todd’s lusting admiration for his well-built math prof leads to some after-class lessons—and some surprisingly effective equations relating to size and muscle. Added Mar 2003 2,294 words 14,408 views 4.8 stars (11 votes)

• .hack//swap by Ziel  CockUp Cock MuscUp MuscDn Musc PSD SizeDn SizeUp  Thomas wants to prove his wrestling skills to his best friend, but there’s one major problem. Thomas is a runt! It doesn’t matter how skillful he is if he can’t even budge his titanic pal. That’s where his latest creation comes into play. Now armed with a way to even the playing field, Thomas and his pal gear up for some friendly competition and lot more than either of them bargained for. Added Apr 2018 9,026 words 17,039 views 4.1 stars (14 votes)
• Hank has three choices by Clearlyhere  CockUp CockDn Cock 2Gay MusBr MuscUp SizeDn Dom  It starts with Drake lusting after his roommate Hank. The real choice lands with Hank. He has three choices on how to use his toy. Unfortunately, it can exceed recommended usage. Added Jun 2020 4 parts 4,694 words 6,259 views
• Hard to hide by BRK  CockUp Cock HyCock MuscUp Musc Grad Taller SizeDn SizeUp Merg Share M/M  Jooyong is working his uncle’s demolition site when he encounters a man in need of protection, but it’s more complicated than your average plea for help. For one thing, the man who needs help is not an ordinary man. And the kind of help he needs is something Jooyong isn’t even a little prepared for. Added Jun 2017 Updated Jul 2019 7 parts 20,225 words 18,362 views 4.8 stars (13 votes)
• Hypno muscle: jock dreams by Douglas Benjamin  Dumber HyMusc MuscUp MuscDn Musc Scent Tf Taller SizeDn SizeUp 2Inan Sugg Orcs Hypno Mind  Toby and Liam have picked up a hypnotic audio tape that promises to grow their muscles. When they fall asleep to the hypnotic induction, they have a dream that seems all too real: Suddenly, they have to power to transform each other into big-muscled meatheads, flexing and posing for each other and talking like dumb jocks. Even more transformation is possible, but there is a catch. Added Jul 2019 4,333 words 11,818 views

• The incredible shrinking jocks: Shrinking at home by Douglas Benjamin  Musc Giant SizeDn  Boyfriends Oren and Quinn love playing around with a shrinking potion that reduces Oren to a tiny size—so small he's nearly trampled underfoot. Added Feb 2020 2,155 words 3,956 views
• Incremental curse by BRK  SizeDn Witch  Jared’s non-wizarding friend Lee accidentally triggers a booby-trap of a magician’s tome, causing him to shrink to the size of his own equipment. Added Jan 2012 Updated Apr 2017 3 parts 8,206 words 19,948 views 5.0 stars (6 votes)
• The Ixlutani by Lloyd Irving  CockUp CockDn CTheft Cock 2Gay MuscDn Musc Libido Tf Taller PSD SizeDn SizeUp Bi Het Supn  Kyle Anderson set out with his best friend Ben Miller for one last hurrah, revisiting the woods behind their childhood homes and the mysterious cave they discovered there, before Kyle’s impending nuptials with his longtime girlfriend, Olivia. What neither man knew was that after that day neither their bodies nor their relationship would ever be the same. Added Jun 2021 Updated Aug 2021 9 parts 54,489 words 10,811 views 4.9 stars (21 votes)

• Keith the new guy by BRK  CockUp Cock XCock Btaur 4Legs XArms XLeg XLimb XPec XTongue Stack MuscUp Musc Handsomer Taller PSD SizeDn SizeUp Nonc Series  New hire Keith readies himself for his first-day meetings with his new boss, but the twink receptionist is kind of distracting—and why does his shirt feel tight all of a sudden? Added Aug 2021 3,163 words 2,763 views

• Ladder of the heavens by Ziel  CockUp Cock HyCock MuscUp Musc PointyEars SizeDn  "Someone suggested that I do a story with piercings and jewelry that caused growth in the owner. I made use of some other suggestions as well so this story features a wide array of kinks including muscle/dick growth and even a touch of shrinkage, and there’s even a cute little *spoiler* with a *spoiler**spoiler*" Added May 2015 10,685 words 15,245 views
• Lather, rinse, repeat by Cris Kane  Mental 2Gay MuscDn Musc SizeDn HairDecr  Jack accidentally grabs his missing roommate's Twink-brand shampoo in the shower and feels like a new man. Added Sep 2020 Updated Oct 2020 2 parts 9,938 words 5,532 views 4.8 stars (5 votes)
• The Latin twins by RdyRoger  CockUp CockDn Balls Cock 2Gay MuscUp Musc Grad Taller SizeDn SizeUp Race Sugg Inc Bro Dom  A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. Added Apr 2012 2 parts 7,238 words 34,192 views 4.6 stars (8 votes)
• The little spoon by Ziel  SizeDn  "September’s Patreon topic was shrinking. I really need to work with some shrinking stuff more often. I love playing around with different sizes, and if I had spent time at each size this would have turned into a novel instead of a short story." Added Nov 2014 5,605 words 13,273 views 5.0 stars (11 votes)
• The locker room thief by CockTFBoi  CockUp CockDn CTheft MuscUp MuscDn Taller SizeDn SizeUp  Riley, a personal trainer, heads into the gym to get ready for his first client of the day. Things take a strange turn when his client, Ethan, suggests a new exercise regimen. Added Jan 2021 3,234 words 7,325 views 4.9 stars (7 votes)

• The madagascar charm by Reuben  CockUp Cock MuscUp Musc SizeDn   Added Dec 2002 5 parts 10,797 words 18,300 views 4.8 stars (9 votes)
• Magic eye by RdyRoger  CockUp CockDn Balls Cock HyCock MuscUp Musc Taller SizeDn SizeUp Lycra  Once he found out the secret of magic growing things suddenly seemed really easy for Al, until the day he was startled by Turner while he was staring deep into his hot friend, Tony. Added Aug 2019 Updated Sep 2019 7 parts 20,700 words 13,932 views 4.8 stars (14 votes)
• Mariposa honeymoon: A six-pack story by Cris Kane  CockUp CockDn Cock Dumber Mental MuscUp Musc AssUp BellyUp Libido SizeDn SizeUp AgeDn Race Hairier Witch Series  Their flamboyant best-man Pierce gives strait-laced newlyweds Derek and Charles a mysterious six-pack to liven up their Cancun honeymoon. Added Dec 2018 Updated Feb 2019 19 parts 105,833 words 13,991 views 4.5 stars (11 votes)
• ’Mini’ge a trois by Ziel  SizeDn  Rhys and his two buddies decide to experiment with a shrinking potion. It’s a long way down, but it’s sure to be one helluva ride. Added Mar 2016 Updated Jun 2017 11 parts 35,619 words 14,712 views 4.6 stars (18 votes)
• A miracle on 69th Street 2: Jingle bed rock by Ziel  CockUp Cock HyCock SizeDn Xmas Series  After the events of “A Miracle on 69th Street”, Nick visits Kris’s home at the North Pole only to find out that there is a strange caveat for having visitors in the magical land. Added Dec 2017 5,393 words 4,872 views
• My first Pokemon by Thatbadwriter  Cock MuscUp Giant SizeDn SizeUp Fur  Seth decides to adopt a Pokémon, but the one he picks out isn’t like the others. Added Jan 2021 2 parts 3,610 words 5,079 views
• My little guy by Ziel  SizeDn SizeUp  "A big, bara beefcake gets reduced down to something cute and cuddly, and a slim and slender twinky dude becomes to towering giant. Throw in some ridiculously sappy romance, and I call that a good story." Added Jun 2015 5,090 words 16,774 views

• Necklace brothers by Levitate  MuscUp Musc SizeDn SizeUp Inc Bro Twins  A pair of undersized twins use a magical necklace to grow themselves—not realizing that the growth came with a price. Added May 2015 1,423 words 17,768 views 3.0 stars (5 votes)
• The need to obey by Musiker  CockDn Balls Cock XArms XLimb MFSwap Mental 2Gay Musc BellyUp Taller Giant PSD SizeDn SizeUp Hairier Sugg Bi Het Cage Dom Slave Immort  An enormously large, muscular man has only one thing he wants out of life: to be a good boy for his master. He is searching for a new master to take him in when he finds someone who is willing to give him a try-out, and who is not turned off by his enormous balls and knee-length caged cock. Added May 2019 Updated Nov 2019 8 parts 44,462 words 19,951 views 4.8 stars (16 votes)
• A new life by ChangeRedhawk  Cock Musc SizeDn SizeUp Fant  Arik and Ana, a pair of fae, are assigned to “reclaim” Jason, who is unaware of his heritage. Added Mar 2006 2,067 words 21,670 views 4.1 stars (9 votes)

• Onion Hill Manor by William Allen  CockUp Cock HyCock XArms XLeg XLimb 2Gay Immob MuscUp Musc Handsomer Tf Giant SizeDn SizeUp  Unremarkable twenty-something gets a new job working at a strange mansion alongside a team of beefy, muscle hunks. Added Oct 2017 Updated Dec 2017 5 parts 25,642 words 20,665 views 4.9 stars (17 votes)
• The origin of Jesiah by Jesiah  Cock HyCum SizeDn SizeUp  The Universe decides to indulge the naive, youthful sexual fantasies of a mid-30s computer engineer with a very ordinary physique, and in so doing, throw a large boner in the otherwise generally harmonious workings of reality. Added May 2016 Updated Jul 2016 2 parts 3,269 words 10,970 views 4.4 stars (8 votes)

• The perils of fair trade by Dream Big  CockUp Cock HyCock SizeDn Series  It seemed like a good deal: a little height for a little more cock, especially if you have too much of one and not enough of the other. But even a fair trade can go wrong if you’re not careful. Added Jun 2019 2,976 words 5,685 views 4.8 stars (12 votes)
• Project Cerulean MX by The Pecman  Cock MuscUp Musc Tf SizeDn SizeUp  After Michael and Joey discover a secret base in the desert, they start to undergo some changes that are both unsetting and exciting. Added Jun 2010 Updated May 2017 17 parts 54,138 words 33,368 views 4.3 stars (9 votes)
• Public relations by Maximilian  CockUp Cock HyCock HyCum MuscUp Gut Musc Taller Giant PSD SizeDn SizeUp Hairier Viol Bond Witch Pride  When Jamie gets an out-of-the-blue invitation to meet up with a friend he’d fallen out of touch with, he doesn’t realize Adam has an ulterior motive—or that it involves an unwilling introduction to growth and magic. Added Jun 2015 Updated Apr 2019 18 parts 124,954 words 55,842 views 4.7 stars (38 votes)

• Randall by BRK  SizeDn  The box containing an actual shrunken man is only the beginning of the strangeness. Added Jul 2003 3,363 words 10,148 views
• A real man by DoubleCream  CockDn Addict 2Gay Musc Worship Scent Mpreg PSD SizeDn HairDecr Virgin Cage Dom HyPher  A douchey gym bro wakes up in another world, in another body. Added Jan 2021 Updated Jul 2021 5 parts 21,958 words 14,114 views 4.8 stars (29 votes)
• The Rednex incident by BRK  CockUp Cock HyCock XArms XLimb MuscUp Musc Taller PSD SizeDn SizeUp Dialog  Driven to a loss of self-control by a stressful work week and a particularly annoying coworker, Ogden unwittingly reveals his secret huge and awesomely sexy body to a very appreciative Luís. Added Feb 2018 3,146 words 8,089 views 4.1 stars (8 votes)
• The reform party by NBCK99  CockUp Cock 2Cock HyCock XCock XHead XArms XLeg XLimb Rep MuscUp Musc Det SizeDn SizeUp Merg  Will attends a gathering that turns out to be devoted to some radical transformations, where the invitees have sexual desires that can’t be fulfilled in the real world and long for their roleplay fantasies to be made real in ways even they don’t expect. Added Sep 2016 Updated Oct 2016 2 parts 8,602 words 15,817 views 4.3 stars (9 votes)
• Resolutions by BRK  CockUp Balls Cock Self HyCum Mental HyMusc MuscUp Musc Libido SizeDn SizeUp TongueGr Retcon Sugg Nonc New Years M M/M M/M/M M/M/M/...  Ray intercepts a seemingly magical book of fill-in-the-blank New Year’s resolutions his boss, Danny, had ordered, and starts making plans for improving Danny’s too-boring sex life. Added Jan 2021 Updated Sep 2021 8 parts 44,479 words 16,371 views 5.0 stars (24 votes)

• Safe sex by LuckyMuscle  Cock Musc Tf SizeDn 2Inan Rubber   Added May 2006 3,528 words 15,577 views 5.0 stars (8 votes)
• Shrinking for Sean by Blue Blue  SizeDn  Sean was super excited about the idea of me using the shrinking serum to become smaller than him so we could screw like that—and I was even more into it than he was. Added Jun 2003 2,694 words 21,011 views 5.0 stars (6 votes)
• The six pack by Cris Kane  CockUp CockDn Cock MFSwap Fem Mental 2Gay MuscUp Musc AssUp BellyUp Libido Handsomer Grad Tf Taller SizeDn SizeUp AgeUp AgeDn Race Hairier Fatter Viol Series  Returning from a Mexican vacation, a gay couple bring back a mysterious drink for their friends to try, bringing on some changes for the group of friends that require a great deal of getting used to. Added Sep 2018 9 parts 38,564 words 18,264 views 4.9 stars (10 votes)
• The size club by The Obsessive-Compulsive  Cock SizeDn  Connor, Dirk, and Bill came together over a secret love of really big men. But Connor is feeling like things aren’t the same lately. He’s right—things won’t ever be the same again. Added May 2013 4,828 words 16,206 views
• A strange encounter by Dream Big  CockUp MuscUp Musc SizeDn SizeUp Race 19th Cent Earth 20th  On his first cautious trip to a pre-Stonewall gay bar, Barry meets an old man who tells him about a remarkable encounter from his own youth. Added Jul 2021 2 parts 4,756 words 2,000 views
• Sucker by pornwright  CockUp CockDn Cock Mental MuscUp MuscDn Musc Tf SizeDn SizeUp Bi Nonc Rape  Toulouse has a great body and a magnificent cock, but with each enthusiastic blowjob from Henry, the transfer of cum makes Lou less, and Henry more. Added Feb 2009 7 parts 4,551 words 20,144 views
• Superhero license by Neltharion5  CockUp Cock MuscUp Gut Musc SizeDn SizeUp Dom Nonc Super  Gunner, a powerful superhero, is brought down by a delinquent hero license renewal. He has to be a sidekick for three randy heroes in order to regain his superhero status. Added Nov 2017 5,101 words 9,132 views 4.8 stars (5 votes)
• Swap meat by BRK  CockUp CockDn Cock Self Taller SizeDn SizeUp HyTongue  Moving into their new home, Pete and Cam discover the previous owner left something behind that allows them to enjoy each other in a whole new way. Added Dec 2018 2,355 words 9,353 views 4.4 stars (12 votes)

• Tim’s obsession by GulliverWB  SizeDn  Tim is a lot taller than his boyfriend Jeff, but that’s about to change. Added Jun 2002 5,084 words 15,622 views 5.0 stars (5 votes)
• Transfer by Scott  SizeDn   Added Apr 2003 1,071 words 15,311 views
• Transformetics by Dasilva  CockUp Cock Self MuscUp Musc SizeDn SizeUp  When a hunky vendor from a well-known beauty product scam comes to his local flea market, Cody can’t help but buy into it. But what if this scam isn’t really a scam? Added Jun 2016 2,261 words 9,707 views 4.7 stars (12 votes)
• Trevor, Destroyer of Worlds by Ziel  Cock SizeDn  Trevor is a little guy with a big imagination. Fortunately, his boyfriend is more than happy to let him live out his hugest fantasies. Added Dec 2019 7,104 words 3,371 views

• Vision space by BRK  CockUp Cock HyCock HyMusc MuscUp Musc Tf Taller Giant SizeDn SizeUp AgeDiff Alien Space Future  Sent to explore an unknown, derelict spaceship in search of usable technology, a young marine unexpectedly discovers three sexy inhabitants, guardians of a secret no one could have imagined. Added Jun 2021 6,302 words 3,936 views 5.0 stars (9 votes)
• Volleyed by Alex Anders  Str SizeDn 2Inan Infl Witch Series  A reporter discovers a town’s dark secret. Added Sep 2021 901 words 870 views

• What’s yours is mine by Ziel  CockUp CockDn MuscDn SizeDn SizeUp Hum Super Series  When it comes to the superpower lottery, there a some abilities that are pretty much guaranteed to turn you into a supervillain. Added Mar 2020 6,698 words 11,753 views 4.5 stars (8 votes)
• The witch’s menagerie by NaughtyKitchenware  CockUp Balls Self HyCum PublicOrg Wings Nude Libido Tf SizeDn 2Animal Hairier AgeDiff Bi Het Witch Fly  Deep in the forest, as far away from civilization as possible, lives an old but youthful witch. A witch who needs some help from young mortals in gathering her special ingredients. The job description includes some… adaptations, but her latest recruit doesn’t seem to mind at all. Added Sep 2021 6,734 words 1,573 views