Cheese grater

thw worst type of porn/hentai, it's basically vore using a cheese grater

"I can't believe I got off to Cheese grater hentai... the fuck is wrong with me"
"my friend sent me Cheese grater porn... I think I'm going to do it this time." (loads gun)

Cheese Grater

A sexual position in which one party is the cheese and the other party is the grater.

Sarah: "I was just with Chelsea the other night..."
James: "Dude, awesome, did she give you the Cheese Grater?"