any word that is composed of the alternate letters represented by the keys used to select the desired letters on a keypad of a mobile phone or similar device.
you type "pint" you get "shot" or "riot": in this case, pint and shot are keynonyms of riot.
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".