Stories in which cock growth is achieved at least partly through the use of vacuum pumps and related techniques.
Related: Always Hard; Cock Body; Cock Growth; Cock Shrinking; Cock Theft; Cock to Human; Cock Vore; Cockfucking; Cockless; Cocktaur; Footcock; Huge Balls; Huge Cock; Human to Cock; Hyper Cock; Nipcocks; Nosecock; Prehensile Cock; Self-suck; Tailcock.
Child of: Cock and Balls.
Top Stories: “Forced growth”; “An unexpected inflation”.
6 stories found. Total word count: 88,849.
- The filling by UberPump CockUp Pumping Cvore Balls HyCock HyCum Immob Hum Nonc Hallow Jason has a knack for pumping his cock and balls up with air or water, reveling in the increased size before cumming it out of him. When he attends a Halloween costume party, his drunken behavior leads him to explore his personal limits at the pool. However, once he begins he can’t stop, only attracting the attention of the muscleheads around him. Added Oct 2020 4,045 words 7,659 views 4.9 stars (8 votes)
- Forced growth by hyperboi CockUp Pumping Cock HyCock Mental 2Gay MuscUp Musc Nonc M Tyler wakes up trapped in a room where everything seems geared toward forcing him to become bigger, stronger, and sexier. Added Oct 2013 5 parts 6,397 words 102,172 views 4.3 stars (49 votes)
- Tubecock by BRK CockUp Pumping Cock Morty is amazed and thrilled to discover that his new job at the hardware store turns out to involve some special activities after hours—and it’s not iron they’re pumping. Added Jan 2021 2,102 words 3,668 views 4.7 stars (10 votes)