It's just like hopefully, but with an element of euphoria at the prospect of everything coming together perfectly. The word most often occurs as a typo after beginning the word 'hopefully' in dvorak and then switching to qwerty after you realise you're on a qwerty keyboard, as D is in the H position.
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".