A middle aged cretin who dwells in there attic playing with train sets To avoid interacting with the misses due to the underlying hatred of her driven by the fact she spends all his money on new shoes and cars to impress her boss so she can get filled in.
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".