A person whom was once loyal to the crew/gang, but had ditched them emotonaly or pysacaly', to gain possable money,respect or popularity.
A "Busta" may also abandon his/her values/beliefs to get achieve their goals.
B-Dup: yo' maul' fukka, we be riding into dem' bitches dance crew tonite.
Cracka: nauh' man. Dat'punk bitch jamall gonna go "ON MSN".
B-Dup: Straight Busta.