doggonit is used to express to another human one is frustrated with there actions, and would like to hit them upside the head but wont because it is rude.
doggonit you let the dog eatchocolate no im gonna be the bad guy when he dies
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".