A phrase coined in "Roots", authored by the Pulitzer award winning novelist Alex Haley. A Mandinka elder tribesman is warning young tribesmen who have never seen a white man about the slave traders . The elder is describing how to detect the white man's presence.
"And remember, when you are close to where he has been his scent remains in the air. It is a smell like a wet chicken. The white man is here."
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".