This is the alter-ego to Flav-o-flav's famous and outrageously ridiculous "Yeah Boy" quote. It allows the user to express both complete discontent and refusal in most any situation.
Mike says "Hey Frank, can you loan me twenty bucks till next week?"
Frank says "Noooo boyyeeee", you're a freakin bum!!!!"
Millie says "Hey Frank, wanna go out sometime???"
Frank says "Noooo boyyeeee", you're a freakin pig!!"