(noun): Used as an additional way to agree to a statement after someone has already stated "me neither"; used as an additional "me neither" when you are the third person to agree.
Mallory: I always enjoyed Paul McCartney's style, but I'm not crazy about the new look.
Daniel: Oh, me neither..
Emerald: Me threeither.
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".