Someone who spits the peice of gum they are chewing into the wrapper of their new peice of gum.
"did you see Jake today in fifth period?"
"yeah he went through a whole pack of gum without ever getting up and going to the trash!"
"what a chain chewer."
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".