greasy grinder
A sexual action in where the male eats a strip of bacon from the vagina, then proceeds to use the grease as lube.
Man 1: "Aye man what kind of shit were you up to yesterday, it was so loud i couldn't sleep."
Man 2: "Lauren let me do a greasy grinder on her."
Man 2: "Lauren let me do a greasy grinder on her."