Ah, man, it's nothing.
5 seconds sound clip from the American Graffiti movie soundboard.
You can hear this line at 00:09:37 in the Blu-ray version of the movie.
Quote context
[...]
- Yeah, yeah. Well, listen. You go. Go ahead, Curtsy baby.
- You go on over there and you remember all the good times you won't be having.
- I ain't going off to some goddamned fancy college! I'm staying right here! Having fun, as usual.
- Jesus, Milner! You're really in a great mood tonight, you know that?
- What's the matter, John? Did I do something wrong? I'm sorry.
- Well, then we'll see you later, okay?
- Right.
- We'll all do something together, you know, before Steve leaves.
- Oh, wait a minute. Now you're not going?
- Hey, man, what happened to your flathead? What happened to your flathead?
- What?
- Hey, we been talking about you. Yeah. There's a very wicked '55 Chevy looking for you.
[...]