When falling out of favor with the opposite sex, to strategically dial down the amount of contact, whether it be through phone calls or spending timetogether until one just fades from existence.
Why hasn't Will called Laura in the last week, I don't think they even hung out last weekend?!
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".