is the lowest form of comeback to an insult, usually, but when used correctly (e.g. out of context) it becomes one of the funniest and most classy calls
Person 1 - "You're an effort you"
Person 2 - "You are"
Person 1 - "Stop bipping yourself"
Person 2 - "You are"
Person 1 - "I'm bipping myself?"
Person 2 - "You are"