Your wife or girlfriend does a stupid act and you call her a Wingbat. She looks at you curiously and you can smile knowing you just got away with calling her a Dingbat, but without the repercussion.
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".