To slow down in this fast-paced, stressful world by making a change in your career, life, etc.
A high-powered executive who's tired of the frenzied rat race may downcycle and go work at Starbucks while writing her first novel. A couple with a pricey city mortgage and two well-paying jobs may downcycle and retreat to the seaside and open a cafe/bookstore, and move into a small country cottage. Sounds nice, huh?
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".