A coworker who puts on a show for the boss, but does no real work. The bosses' pet,who gets away with murser. As apposed to a pack mule who doesn't look like much, but does most of the real work.
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".