Greasy dog leg

When you put crisco behind your womans knee and fuck her knee cleavage.

Gave my bitch a greasy dog leg last night.

by boobyhumps February 14, 2020

Greasy Piston

n. adj. A greasy piston is a person that indulges in activity of the homosexual persuasion. Greasy coming from the chocolatey brown color of shit, and piston from the penis and it's motion in and out of another man's rectum.

I think you are a greasy piston.

by Maxieboy July 17, 2003

Greasy Monkeywrench

Using lotion during a handjob (see hj)
The penis represents a monkeywrench
Lotion represents grease
Thus a GREASY MONKEYWRENCH

Tommy:Dude last nite Lisa totaly gave me a Greasy Monkeywrench
Luis:Dude, I got one two nites ago
Tommy:Sweet dude
Luis:I know man

by fuckbitchesgetmoneyforlife July 01, 2011

greasy leftovers

It should've been a baby. Combination of self-aborted fetus, vomit, and beer.

I was out at the bar with my boys and stepped in this nasty girl's greasy leftovers

by Giggity Giggity Guy November 03, 2017

Greasy corncob

While a girl is giving oral sex, the guy takes his penis and gives the girl a wet Willy with his dick

“Yeah she was sucking me hard and then I pulled my dick out of her mouth and gave her a greasy corncob”

by Metanarchy267 October 01, 2020

Greasy Pegsniffer

A slang term meaning a greasy condom.

Some guy: bro you're so greasy after swimming in that grease pool, you Greasy Pegsniffer
other guy: fuck you

by THHESMS November 06, 2023

Greasy Virgin

William Kenneth Albert Owen

That kid who looks like a pinecone over there, he's a greasy virgin.

by KrakenAthropod15 February 12, 2018