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Plausible Size Difference

Stories that feature giant guys that are bigger than normal people, but still within the range of what might seem possible—in other words, upwards of eight feet tall or so, but not as tall as a house or an office building. The term carries over from macro fiction, where the tag PSD separates giants that operate among normal-sized people and can do things like bend under doorways, from Giants that range beyond that, up toward skyscraper-tall and beyond. See also Size Growth, which involves getting bigger, either a little or to an extreme, and Very Tall, for guys that are pretty much normal but are taller than usual (in the general vicinity of, say, six and a half to eight feet).

Other tags that also fall under the category “Size/Size Difference”: Getting Taller, Giants, Shrinking, Size Growth.

Stories found: 69.

Something missing? We’re always looking to improve the way our stories are tagged. If you know of a story that should be added to this page, please go to the story page and use the tag suggestion feature—the link is directly under the list of tags.

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Complete story list for Plausible Size Difference:

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  • The accidental wizard by nolanspice(2 parts)AgeDown Musc MGrow PSD Rep Grow Tf    Added Jan 2006  •  2.9K words (2)
    13,197 views
  • Addiction by Hatman  Cock MGrow PSD    Added May 2010  •  1.9K words (6)
    17,824 views
  • Aiden and Andrew by JB  Musc PSD Grow Vore  Two roommates have some fun, inside and out.  Added May 2019  •  3.4K words (4)
    2,796 views
  • Alex and the giant by JB  Giant PSD Shr Grow  Alex finds himself irresistibly attracted to a man who can change his size at will.  Added Jan 2019  •  4.3K words (8)
    5,195 views
  • Alt-world by BRK(2 parts)CGrow Cock HyCock XArm XLimb Musc PSD Rep Grow Twins  The alternate reality was constructed so the guys fell within broad parameters. Except they were a little skewed toward the exceptional. And something in the software seemed to like outliers...  Added Jul 2011  •  5.3K words (13)
    21,255 views
  • Awakening by BRK  Cock XCock PSD  Life doesn't make a lot of sense, what with the normality of people that shouldn’t be normal at all, but it all starts to make more sense when Steve encounters someone who’s different in a way he never expected.  Added Oct 2003  •  2.6K words (1)
    12,428 views
  • Away game by spacevlad(2 parts)Musc MGrow Gut PSD Grow  College freshman Adam is the smallest guy on the football team. On an away game road trip, he gets paired up to room with Wyatt, the biggest offensive lineman on the team. Adam tries to control himself as they are forced to share a bed, but Wyatt’s massive body is hard to resist.  Added Dec 2017  •  6.3K words (10)
    13,114 views
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  • Cadence by BRK(6 parts)CGrow Viol Taller Cock Immort Musc MGrow PSD Grow  Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway.  Added Nov 2016  •  Updated Mar 2019  •  30.7K words (9)
    9,975 views
  • The cake by Orion  CGrow Hair Taller Balls HyCock Musc MGrow PSD Grow  Matt is an average college student, frustrated with his below average body. But that is unexpectedly about to change, thanks to a little bit of magic.  Added Feb 2017  •  4.8K words (5)
    16,676 views
  • Choranaptyxic by Marquis de Rent  CGrow Cock Musc MGrow PSD Grow  A young man uses a dating app to have some fun. Everything goes well until his date inexplicably starts to grow...  Added Feb 2017  •  2.8K words (7)
    10,240 views
  • Chuck, the size thief by spacevlad(16 parts)Absorb Viol Giant Musc MGrow Gut MTheft Nonc PSD Grow  Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge.  Added Jun 2017  •  Updated Dec 2017  •  42.1K words (17)
    41,923 views
  • Coach Barker by Argenti(9 parts)CGrow Taller Giant Cock HyCock Infect MGrow PSD Grow  Coach Travis Barker has a special gift, and when he shares this gift with Adam, change begins to unfold around them.  Added May 2019  •  Updated Jun 2019  •  19.0K words (14)
    14,579 views
  • Critical mass by TonnyGiant  Viol Taller Giant Musc MGrow PSD Grow  A powerful new workout supplement has an immediate and spectacular effect on a family of bodybuilders—and soon on the rest of their sleepy town.  Added Apr 2019  •  1.4K words (3)
    3,516 views
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  • Daddy’s little boy by TonnyGiant(2 parts)Dom Dad Cock Musc Gut PSD  Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather.  Added Sep 2018  •  Updated May 2019  •  5.0K words (8)
    10,250 views
  • Demigod chronicles I: Herakles by aquila(2 parts)CGrow Taller Cock HyCock Musc MGrow PSD Grow  A powerlifter finally hits his goals with his trainer, only to realize that there’s something big he should know about him. It isn’t all shakes and good form that gets you to top shape… sometimes, you gotta pray.  Added Dec 2018  •  3.6K words (6)
    3,622 views
  • Derek’s rebirth by muscl4life(3 parts)CGrow Giant Balls Cock HyCock Cum Musc MGrow NipCum Older PSD Self Grow 2Gay  An elixir from the dawn of time is turning Derek into the ultimate muscle daddy, which he demonstrates by wearing out three young admirers. Taking on a personal trainer as his acolyte, Derek prepares himself for an even more impressive Phase Two of his transformation.  Added Nov 2018  •  11.7K words (7)
    10,262 views
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  • .hack//swap by Ziel  CGrow Cock Musc MGrow MTheft PSD Shr Grow  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  •  9.0K words (7)
    9,173 views
  • Huge changes: Book two by RdyRoger(2 parts)CGrow Hair Balls Cock Infect Musc MGrow Nonc PSD Grow Series  Jason and Todd decide to help Mason, not suspecting that Mason will get an extra helping of wishes, or that Mason’s fantasies of love and growth will start affecting more than just his partners.  Added Dec 2017  •  9.9K words (7)
    9,469 views
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