Grenade Monkey, or Grenade Whore, is a name that Gregg Oseen uses for most video games such as Halo 2. He has that name mostly because in Halo he knows all the grenade respond spots are.
"Grenade Monkey, Santa, Sir Gonzo, and Sgt. Waffle are the best Halo team in this town!"
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".