When one reverts to their college behavior after a couple years in the real world. Especially if your college behavior involved being a whore mongering drunk.
Though used primarily in the academic and government setting to describe the process of assembling required documents and forms to apply for certain positions, this term was originally coined as a more euphemistic means to describe sexual congress.
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".