When someone (usually a dudebro-chad-jagoff type, but not limited to males) is exhibiting especially bad behavior, this could be used as an insult/descriptive noun.
Becky: Brad just did the weirdest flex on me in the boathouse, telling me all about his trust fund.
Mellisa: Whatevs, just ignore that CrustyCum-Rag!
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".