When someone is vendoring illicit drugs to a customer.
Also means to rob, but most drug dealers use it as
"I'm busy selling at the moment."
You: Yo you straight?
Drug Dealer: Yea, but I'm busy right now.
You: So how long will it take you?
Drug Dealer: Not sure, busting licks left and right.
You: Well come bust this lick, cause I'm about move on to the next.
White guy: *whistles*
Black guy: Let's go bust a lick reaaalll quick..