Sarah: How often do you eat fast food?
Amir: Sparingly.
Sarah: Really? That's great!
Jake: No, watch this, Amir, what does sparingly mean?
Amir: All day, every day, every hour, GOTTA HAVE CHICKEN NUGGETS IN MY POCKET NOW!!
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".