When a person attempts to block off another person from hanging out with people of the opposite sex. Done by a person within a relationship to their mate.
Dude 1: How was the party last night with Sarah?
Dude 2: It was good, until Sarah's boyfriend came out and started guard doging.
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".