lacking enthusiasm and determination; carelessly lazy, not paying attention to something. (My dad uses this word even though it's not even a word but he says that everyone uses it :)
It's used as the shortened version of the real word 'Lackadaisical'
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".