verb, to dump your current relationship for someone who is younger, better looking, smarter, has more money, has bigger tits, or a bigger dick, with no kids.
Pud: Hey Rick, who's that you're with? Where's Tracey?
Rick: I cut that chick loose so I could trade up with Veronika.
Like when a gangster robs a familty and comes up on some DVD's. He goes to the video game store to TRADE UP on them for some other DVD's or store credit.
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".