- I'm going to let the homeboys up the hill... run a train on your girlfriend. You know what a train is, don't you, huh?
- Yes, sir. Yes, sir.

9 seconds sound clip from the Training Day (2001) movie soundboard.

You can hear this line at 00:15:09 in the Blu-ray version of the movie.

Quote context

[...]

- You move those hands, I'll slap the taste out of your mouth. You understand me?

- Put your face right up against the glass. Right there.

- Now, what are you doing down here? You know this is a gang neighborhood, don't you?

- Ow, ow! Yeah, yeah!

- You know it's a gang neighborhood? Then don't come down here. I see you down here again, I'm going to take your vehicle. I'm going to make you walk home.

- I'm going to let the homeboys up the hill... run a train on your girlfriend. You know what a train is, don't you, huh?

- Yes, sir. Yes, sir.

- All right, gentlemen. Thanks for your cooperation.

- Let's go. Safe your iron, son.

- Shit!

- I like that shit.

[...]

Top rated lines from this movie