It'll be Hiroshima and Nigger-saki.
5 seconds sound clip from the Don't Be a Menace movie soundboard.
You can hear this line at 00:27:18 in the Blu-ray version of the movie.
Quote context
[...]
- All right. We'll play a little game. Right here.
- I said do... we... have... a... problem, huh?
- You better get your stinky asses outta here before I cause a nuclear holocaust up in here, fool.
- Well, let's go! Fool, come on!
- It'll be Hiroshima and Nigger-saki.
- That's right, boy! You better get on outta here! And don't come back! Punk!
- Tray, bring your simple behind on!
[...]