Who are you calling butthead, butthead?
— Biff Tannen (Thomas F. Wilson)
3 seconds sound clip from the Back to the Future Part II movie soundboard.
You can hear this line at 01:07:41.149 in the Blu-ray version of the movie.
Quote context
[...]
- You always did have a way with women.
- Get the hell out of my car, old man.
- You want to marry that girl, Biff? I can help make it happen.
- Oh, yeah? Who are you, Miss Lonely-Hearts?
- Just get in the car, butthead.
- Who are you calling butthead, butthead?
- How do you know how to do that? Nobody can start this car but me.
- Just get in the car, Tannen. Today's your lucky day.
- Hey! Hey! Hey, watch where you're driving, old man. If you dent this car, I'll kill you.
[...]