an unhygenic or sweaty vagina. A woman may get a grease pie by participating in vigorous physical activity or simply by being unclean by nature.
by thereal89 October 8, 2011

An ancient method of masturbation in which the jerker lathers his cock in bacon grease and shit, and continues to slam his slop until ejaculation.
by Daily Jew December 3, 2018

Person 1: I love Megadeth but it’s no wonder Metallica kicked Dave Mustaine out!
Person 2: Exactly! You can never trust a Grease Pony
Person 2: Exactly! You can never trust a Grease Pony
by Nicktendo69Lmao October 11, 2022

"Hey Sarah, That Bloke Shouldnt Be Wearing Those Tracky Bottoms On A Hot Day Like This Check Out That Groin Grease"
"Dirty Bastard"
"Dirty Bastard"
by Thugz Cuny April 3, 2009

The sticky brown spots on home walls that defy any logical explanation for it's existence. Called "grease" because of it's similar quality to congealed grease around the home stove. Can also be called "wall sap" or "wall sweat" because of how it appears to have oozed from the wall itself.
by HoneyMac September 19, 2016

by PoopPant March 13, 2018

To take old oil grease from one's car and wedge between their butt cheeks, leaving it there for a few weeks before washing, leaving a nice black stain.
by MuthaLuvR April 15, 2014
