A phrase used by African Americans living in the Southern states of the USA usually meaning "Fuck That" or "Hell Naw". Can also indicate the last straw, the beginning of a fight, the beginning of a shoot out and or an onslaught.
Nigga 1: Aye bruh I'll beat yo mothafuckin ass. You a bitch anyway nigga.
Nigga 2: FUT DAT!!!
*GUNS FIRE UNTIL EVERYONE DIES*