When someone run's up on you and farts in your face.
Awwww, man Bobby was Rost Beef in the face by Jr.
2👍 7👎
The outer labia of a well-endowed chick, otherwise known as a Meat Drape.
Check out her roast beef curtan
4👍 7👎
when you are eating a girl out on the thrag and you get a blood clot in your mouth and you eat it
i was eating here out and got some rost beef and ketchup