Bro 1: look at that chick over there, go buy her a drink, bro 2!
Bro 2: naw man she is yoga, yogurt and granola (YY&G). She wouldn't go for an alchoholic, video game playing fuckboy like me.
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".