When you don't have any money, you are low on cash, without funds, or just plain old "financially embarrased.
Hey girlfriend, me and my girls are going to check out that new movie, so how 'bout you? Sounds fun, but I can't this time cause I'm riding the greyhound.
My girlfriends went to the movies tonight, but I didn't go with them cause I'm ridin' the greyhound til I pick up my check from work.
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".