He messed with the wrong nigger's brother.
5 seconds sound clip from the Harlem Nights movie soundboard.
You can hear this line at 00:54:49 in the DVD version of the movie.
Quote context
[...]
- Let's kill that bastard now, man. Let's do it for Tommy!
- What the hell is this shit about?
- It's all right, we'll get him. I know it hurts.
- He messed with the wrong nigger's brother.
- Pull up to his bumper, we'll blow his head off.
- Damn, I think I broke my nose!
- Oh, shit! Junior is deader than a motherfucker. You shot Junior in the back of the head!
[...]