Kiss My Left Nut 

something that you say when you want to be provocative (especially if you are a chick) or use as a sarcastic comeback or reply. This expression is similar to kiss my ass and suck my balls

Bob: So Tina, did you like that movie?

Tina: yeah, I though tt was pretty good

Bob: Good? Dude, it completely sucked!

Tina: well you know what jerkface? You can kiss my left nut!

Kiss My Left Nut by kohina November 11, 2009