A substitute for the awkward "his or her" when you need a first-person, singular pronoun and don't know the gender of the singular person. I read it in a scholarly article, which I believed was proposing it as a joke. However, I'd like to see it catch on.
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".