Used in almost any form of conversation, but generally to let one know that you have no fucking clue as to what they're talking about.
Such phrase originated in the the small shit hole of Creston, Iowa. Any rights to the phrase, belong to the select few retards, that are just smart enough to post this.
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".