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1. Pump It Up by haildeleah

   Fandoms: South Park  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   31 Oct 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Kyle Broflovski/Stan Marsh
   • Kyle Broflovski
   • Stan Marsh
   • Plot What Plot/Porn Without Plot
   • Explicit Sexual Content
   • Alpha/Beta/Omega Dynamics
   • Lactation Kink
   • Male Lactation
   • Domestic Fluff
   • Top Stan Marsh
   • Bottom Kyle Broflovski
   • Aged-Up Character(s)

   Summary

   Kyle’s eyes are wholeheartedly awake as he pushed Stan back a little to properly look at him.
   “What’re you…dude. You do like boobs.”
   The way Kyle said it almost made Stan laugh. “I love your boobs, yeah.”

   Or: Stan acts on an urge he’s had since…well, since he’s laid eyes on Kyle’s chest.

   Series

   • Part 4 of Stan’s Guide To…

   Language:

   English

   Words:

   3,162

   Chapters:

   1/1

   Comments:

   5

   Kudos:

   125

   Bookmarks:

   11

   Hits:

   2,204