Gryan77802's definitions
A penis so small it stretches negatively through your asshole all the way from here to mars. The existence of an Anti-peen would bring down the average penis size to about 4 mm, as it would measure about -472 billion mm.
Guy: I wish the average penis size was 4mm
The Monkeys Paw subreddit: Granted, you now have an Anti-peen
The Monkeys Paw subreddit: Granted, you now have an Anti-peen
by Gryan77802 November 6, 2019
Get the Anti-peenmug.