Yeah, that's right. That's right. I am a slacker. Don't you remember? You gave me detention last week.

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

You can hear this line at 00:42:49.743 in the Blu-ray version of the movie.

Quote context

[...]

- 1985? It can't be.

- Drop it.

- So you're the son of a bitch who's been stealing my newspapers.

- Mr. Strickland. Mr. Strickland. It's me, sir. It's Marty.

- Who?

- It's Marty McFly. Marty McFly. Don't you know me, sir? From school, sir.

- I've never seen you before in my life, but you look to me like a slacker.

- Yeah, that's right. That's right. I am a slacker. Don't you remember? You gave me detention last week.

- Last week? The school burned down six years ago.

- Now, you got exactly three seconds to get off my porch with your nuts intact. One.

- Please, Mr. Strickland, I just want to know what the hell's going on here.

- Two!

- Hey, Strickland! Yeah!

[...]