Someone who thinks or speaks condescendingly to others who aren't as concerned with inches of muscle, percent body fat, Creatine, protein shakes or marathonrunning as s/he is.
"That guy's been staring at you for twenty minutes. You should say hi."
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".