Old Biff: You always did have a way with women.
Young Biff: Get the hell out of my car, old man!
Old Biff: You wanna marry that girl, Biff? I can help make it happen.
Young Biff: Oh-oh, yeah, who are you, Miss Lonelyhearts?
Old Biff: Just get in the car, Butthead.
Young Biff: Who you callin' "butthead", Butthead?
[Old Biff starts the car]
Young Biff: How do you know how to do that? Nobody can start this car but me.
Old Biff: Just get in the car, Tannen. Today's your lucky day.