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!"
by Medurtis January 13, 2007