A person who is foolish and brings rejection and embarrassment upon themselves in full view of their social group or the general public. This phrase was first coined by a nerd in Australia, and is a conjunctive of dumb and jumbotron.
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".