A mingehead is a person who says or does silly, stupid or retarded things. If a person looks like a mingehead they are usually very ugly and quite scroaty/chavy. This person usually smells (has BO)and has greasy hair because they dont wash very often.
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".