when you leave a soda cup from a fast food restaurant, containing only ice, sitting overnight and, in attempt to drink it the next morning, you realize it's a nasty combination of slight drops of soda, and the disgusting water the use for ice
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".