What does brrrrrrat mean?

brrrrrrat meaning in Urban Dictionary

A gang call of Bloods which is designed to imitate a gun noise. The alternate type is BLAT. To not ever be confused with brat, a spoiled child.on the other hand, the Crips have ccccclat or clat, that is in addition supposed to be a gunshot noise. Other bloodstream gang phone calls consist of "suwoop" and "CK".