Usually a guy sometimes a girl who shows off his iphone every chance he gets, either buy taking pics with it, shooting videos of him and his friends doing stupid shit or being a complete fag and playing that lame ass Tap Tap revolution and posting his/her score on facebook thinking that everyone will worship the ground he walks on because he has nothing better to do but work on his Tap Tap revolution skills.
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".