I wouldn't know. I don't know what liquor smells like, 'cause I'm too young to drink it.

Biff Tannen (Thomas F. Wilson)

5 seconds sound clip from the Back to the Future Part II movie soundboard.

You can hear this line at 01:17:48.297 in the Blu-ray version of the movie.

Quote context

[...]

- Well, go find him. He caused 300 bucks damage to my car, and I owe him a knuckle sandwich. Get going!

- Drink up, Biff.

- Yeah, thanks.

- Ain't you coming?

- I'm reading.

- Well, well, well, Mr. Tannen. How nice to see you here.

- Why, Mr. Strickland, it's nice to see you, sir.

- Is that liquor I smell, Tannen?

- I wouldn't know. I don't know what liquor smells like, 'cause I'm too young to drink it.

- I see. And what have we here?

- Sports statistics, interesting subject.

- Homework, Tannen?

- No, it ain't homework, 'cause I ain't at home.

- You've got a real attitude problem. You know that? Just watch it. Because one day, I'll have you right where I want you in detention. Slacker!

[...]