Basically someone who has no qualities of understanding that its not the best idea during the time, but you go with it anyway cause you have no concept over how to be a "responsible adult" and you bitch about anything because your in a position of power.
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".