Green’s Dictionary of Slang

bust-ass adj.

also buster-ass
[SE bust + -ass sfx]

(US) a general derog. term.

[US]UGK ‘Three Sixteens’ 🎵 And bust ass niggas gettin bullets in they back.
[US]P. Beatty White Boy Shuffle 88: Them buster-ass niggers from the XXY Chromosome Recidivists.
Royce Da 5'9" ‘Malcolm X’ on Build and Destroy [album] Y’all lil’ niggaz are Ninja Turtles, you’re nothing / Nothin’, you not on my level, I will beat yo bust ass nigga.