Dick Cheese Grater
When your girl swallows razor blades and then proceeds to give you a blowjob.
Weird Guy: Dude I want Jodie to give me a Dick Cheese Grater.
Normal Guy: What the hell is wrong you?
Normal Guy: What the hell is wrong you?
rubbing his dick against the cheese grater
Used for years to describe women who engage in large amounts of unprotected sex with random men and doesn't clean their vagina's out of men's cum after sex, which leaves a thick white residue like cheese behind that last for days without cleaning.
Did you hear about the guy who picked up a chick last night? He was rubbing his dick against the cheese grater and got enough cheese to last a week!