A stand in word for any derogatory or sexual phrase or word that can be used in the human language. Usually used in frustration or just for no reason at all.
What a dumbass oompheffy.
Your oompheffy is lookin hot.
Why the oompheffy would you say that!
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".