When you're having sex with a girl and you pop out, but try to get back in without using your hands, resulting in sliding on her grundle continuously, or surfing.
Man, I was fucking her and slipped out, but I was too lazy to use my hands so I was just grundle surfing for a bit until I got it back in.
by JiffyPop69 October 8, 2010

An oily sebaceous substance secreted from peri-anal musk glands to lubricate the grundle and attract females.Turns rancid in a matter of days but is essential for fluid walking motion in that it reduces the friction between the butt cheeks.
by wolfbait51 November 25, 2011

The act of pissing at the sky and trying to land it on the area between one's anus and genitals, commonly referred to as the grundle.
by tromastuh February 7, 2019

1) Something uglier than the grundle or the taint, or both combined
2) Someone is a bitch
3) Cute name for a pet fish
4) A long lost Pokemon
2) Someone is a bitch
3) Cute name for a pet fish
4) A long lost Pokemon
"Hey man, check out that chick, she's a real grundle-taint."
"Vern, you're such a grundle-taint."
"Can you feed Grundle-Taint while I'm on vacation?"
"Sweet man, I caught me a grundle-taint."
"Vern, you're such a grundle-taint."
"Can you feed Grundle-Taint while I'm on vacation?"
"Sweet man, I caught me a grundle-taint."
by Lil Dick March 19, 2008

An iritated scratch worthy gooch. Mainly aquired from poor personal hygiene, and/or unprotected sexual intercourse with a dirty, unbathed, disease infested female.
by JerzeyJBoi June 12, 2018

A sexual deviant that suffers from a taint fetish and when engaged in sexual activity, latches hold and spends an inordinate amount of time stimulating the grundle area of their partner.
I'm not going out with Carl again. All I wanted was a little oral action when we got home and he turned out to be a Grundle Leech.
by Eaton Holgoode January 4, 2016

by SlowForward88 October 11, 2020
