You know those brownies your room mate made for you after you ate all their food? How you devoured them? How you now can't get off the toilet? Exactly.
Fred: "Hey, Shaggy?"
Shaggy: "Yes?"
Fred:"Can I have one of your special brownies?"
Shaggy: "Sure."
Fred: *munches it*
Also Fred:*starts sweating*
Fred again: "Shaggy this isn't weed"
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".