1 definition by Tom Scro
Since the Greeks invented anal sex, the jizz that falls out of a man's ass after he has been analed by his companion is called Greek Yogurt.
This may also apply to a heterosexual male making greek yogurt with his girlfriend.
John: Dude what is this stain in your car?
Gene: Oh sorry thats some left over Greek Yogurt from last night, me and Ben got iton
John: That's disgusting dude!
by Tom Scro May 7, 2011 add a video