A loud, unclassy, obnoxious man. Often seen travelling in packs and sporting popped collars, the term for this typical male species is coined from the way they can be heard constantly uttering the words "Yahh dude..."
The bar was great last night until a bunch of yadood's came in yelling and ordering round after round of jaeger bombs.
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".