A cutesy little phrase coined to imply that you can expect to be surprised. It comes from the marketing douchebags and only the like will utter such stupid contradiction. It is one or the other people, let's get it together.
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".