
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/3912259.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Gravity_Falls
  Relationship:
      Dipper_Pines/Grunkle_Stan_|_Stanley_"Stanford"_Pines
  Character:
      Dipper_Pines, Grunkle_Stan_|_Stanley_"Stanford"_Pines
  Additional Tags:
      Incest, PWP
  Stats:
      Published: 2015-05-10 Chapters: 1/30 Words: 1210
****** StanDip Kink Meme ******
by Mytrashpile
Summary
     So I decided to use ChasingRiver's 30 Porn Challenges for some
     StanDip because eh why not. I haven't written porn in a while so it's
     a nice change of pace. Obviously, this involves a huge age
     difference, underage, incest, and gay stuff. Please be mindful of
     that and don't read if any of that bothers you. I don't want to upset
     anyone!
     Hopefully there will be more of these ahaha I made this account
     specifically to post these so I may as well do a bunch of them.
Notes
     So this first one is pretty generic because the prompt was basic for
     a gay ship, but I still like it. Hope you do too!
                “Ah, stop… That feels weird.” Dipper made a face, but he was
pushed forward until his face was buried in the bed and his complaining was
muffled. “H-hey!” The boy growled a little bit but Stan just shook it off,
massaging the boy’s hips until he became quiet. This whole situation was
awkward and weird enough without the boy’s complaining, and Stan was really
getting to the end of his nerves. Even though he was having trouble keeping his
mind in the present, the sight before him certainly helped. Dipper was on his
knees, chest and face flat against the bed and his ass lifted into the air from
this uncomfortable position. His legs were spread apart a ways so that he was
very exposed to the old man’s sight, and Stan found himself licking his lips.
No one had ever looked this sexy before, the young boy splayed for his
appreciation and boy, did he appreciate it. Stan hadn’t had someone in his life
like this since his brother went away thirty years ago, so having someone
beside him again meant the world to him. However, he had a problem showing that
sort of emotion to the young boy so he just shoved it aside instead. The man
had just finished preparing the boy and was making sure there was plenty of
lube smeared around the small boy’s entrance in order to keep this painless.
They had done this before, but Dipper acted like a child and complained every
time. Stan blinked for a moment and shook his head, trying to keep his mind
from comparing Dipper to a child again, especially when they were like this. He
knew he was doing something wrong, and he was willing to live with that, but
honestly he just couldn’t do anything to make him think about it while he was
doing it.
                “Almost done Dip, are you ready?” The young boy lifted his face
out of the blankets and turned to face his grunkle, nodding softly.
                “Yeah… It’s cold… Hurry.” The boy whimpered, shaking his hips
without thinking about it, his impatience causing him to throw a small tantrum.
Even though the boy had meant for this to be intimidating, his grunkle felt
himself get immediately harder, seeing the boy’s ass shaking in front of him.
If he hadn’t already lubed the boy up, he’d be tempted to lean forward and
taste the young thing, but it was too late for that now. Maybe later. Stan
moved up onto his knees and held tightly to the boy’s hips, holding them
squarely against his own. Dipper let out the softest of mews, his body
shuddering as he felt and anticipated what was to come next. Stan took a deep
breath before piercing that tight ring of muscle, pushing just the tip of his
dick into the boy. Dipper groaned, his hands clenching in the sheets as Stan
slowly eased deeper inside, the entrance eased by the foreplay and stretching
they’d already done. Dipper whimpered loudly, clenching tightly around his
great uncle, causing the older man to grit his teeth and let out a loud hiss.
After a few more minutes of slow easing, Stan was buried deep inside his great
nephew, the young boy whimpering and squirming under the older man’s weight.
                “Ah, Stan… Hurry, it feels weird….” The boy made a face,
arching his back and tightening his muscles, acting perfectly for the older man
without meaning to. Stan was in love with the way the boy moved, the way he
looked and the way he sounded. Dipper was so perfect, so built for this,
despite his age. They stayed like this for a long moment, both breathing
raggedly as they tried to adjust to the new position, but then Dipper began to
truly lose his patience. Dipper was not the kind of boy to just sit back and
let other people control the pace, so instead he slowly began to move himself.
The boy panted and pressed himself tighter into the bed, sliding his hips back
and forth along the man’s length, feeling it slide in and out of him in a
strange, slick way. This went on for a short while before Stan could no longer
handle the slow pace and began to hold his lover’s hips tightly, pressing in
hard. As soon as Dipper felt the man take control he let out a sharp cry,
rocking back and forth against the man’s hips as Stan buried himself to the
hilt in the small boy.
                “God kid, just like that… Fuck, yeah…” Stan was picking up
speed, watching with fascination as he slid out and back into Dipper
rhythmically, the boy stretched around his intrusion. The boy’s voice was
nearly lost as he felt himself being opened with increasing speed but he felt
himself reacting automatically.
                “You shouldn’t… ah… curse…” It took Stan a moment to realize
what the boy was saying and he couldn’t help but chuckle a little bit, his pace
steadily increasing. He didn’t have the stamina to reply, but he made sure to
angle into the boy’s depths to make him cry out, which was revenge enough. They
moved together for a long moment, sliding against each other and groaning, wet
noises coming from the joined flesh between the two of them. Stan was losing
his stamina quickly, but fortunately Dipper was young and wasn’t able to keep
up for long either. The boy was clutching the sheets and shaking, his body
rocking from the older man’s motions, Stan content to fuck the boy at a steady,
even pace. Minutes later, Dipper tried to hold the man still, scared as always
of his release. He was so young that even though he loved how he felt during
and after his climax, Dipper always got frightened right before he came. Stan
just stroked the boy’s hair and leaned forward, kissing his neck hotly as Stan
continued to fuck him with short, tight movements. Moments later, Dipper’s body
began to convulse and he cried out sweetly, hips jerking in short, hot
movements. Stan rode out the boy’s orgasm before gripping Dipper’s hips even
tighter and picking up his pace. He was so cute, writhing as his sensitive body
was rent even past the boy’s orgasm, his body hyper aware now that he had
finished. The older man was very close and he had just enough stamina left to
fuck the boy hard, burying himself as deep as he could.
                “Dipper, god…” Stan moved for a minute longer before he felt
himself spilling over the edge. Quickly, the older man pulled out of the boy
and spilled himself all over the boy’s back, cursing loudly as he collapsed
onto the bed next to the boy. Dipper was shuddering tightly, his body aching
from the man’s sudden exit and the strange sensation of the semen on his back.
The two took a moment to regain their breath before Dipper rolled into the
man’s side, curling up against his grunkle who held him tight and planted a
kiss onto the boy’s forehead. They didn’t say anything for a while before
Dipper let out a soft chuckle, causing Stan to look at him with a strange
expression.
                “You really shouldn’t curse.”
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