need help with a chamillionaire track

[WeSTSidE_Don]

umm i got it on a cd and i totally forget what its called the chorse goes
"*OOO NOO* WHEN THE LIGHTS OFF ON THE BLOCK *DONT GO* BOYS ON THE CORNER WITH GLOCKS *DONT GO* YOU HEAR SHOTS IN THE PARKING LOT *DONT GO* ITS ABOUT TO GO DOWN *YOU ALREADY KNOW*" ( the words in the * is chamillionaire the ones outside is someone i dont recongize)
its three diffrent people i know one is koopa for sure...if ne of u got this song or know what its called let me know..thanks in advance

[kingwell]

It's called 'U Already Know' I think.