An act where a guy and a girl are having sex and after he cums, the girl sits on his face and and slides all over his face
by King_squirlie June 16, 2021

When you try to have sex with a girl but your dick is so sweaty and floppy that it keeps popping out
by Tuckered out May 17, 2010

by Anonymous April 14, 2003

by Amy Basil November 14, 2006

To create a pad of folded-up toilet paper and place it in the ass-crack to catch anal leakage. Effectively a shart maxipad.
After drinking half a case of Natty Bo and eating $15 of Taco Bell by himself, Bob thought he should be safe and pack a flounder before heading out in the morning.
by MrMonkeyshines January 3, 2013

A flounder fuck, sometimes referred to as a flounder fucking, is when you are participating in sexual intercourse with a women and you make her pussy so wet that actual, legitimate fish start to inhabit the women's vagina.
by smoke the ganja September 18, 2016

by anonymous May 20, 2022
