blow jobbiterpenisoral intercoursenoun. A person who insists on utilizing their teeth while performing oral sex on a man. someone who clenches onto your dick with their grill while sucking you like you're gonna get away! Please stop! Please please stop for the love of god!
Mike: Yo jack, why you walkin that way?
Jack: Dude, last night I hooked up with that chick, turns out she was a grater. I'm still pissing blood!!
A word for a woman who INSISTS on using teeth while giving head (why lord, why?!).
Guy A: "Look left..she's pretty hot"
Guy B: "Yeah but a grinder...trust"
Guy A: "Urgh! Fuck that!"