Generally in referance to "booty." Meaning to have a big ol' chunky, I need to be in a ludacris video and shake it, slab of meat on your backside. Though, as it is often said in the context of "clowning," the word can be iether positive or negative.
Gary: you know that chick Taylor i was trying tohook up with?
Geoff: yeah?
Gary: well turns out shes a lesbian who is into chess
Geoff: chess? that's bunkadunk!
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".