when you have to dookie really bad, and you hold it and hold it, and your running (pun intended) into the bathroom, and you sit down, and the dookie shoots from you like a bazooka, with out a second to spare, and you think "wow, that was a dookiebazookie"
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".