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A grenade in Call of Duty 4 or Halo 3 that bounces back at the thrower and usually kills him.
"Oh man I just threw a Dave Grenade and it killed me"
by Viperish Fall February 23, 2008
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A grenade thrown towards an opening to kill the target(s) inside the room, which misses the window and hits the surrounding wall, rebounds and lands next to the thrower.
Player1:Grenade Out!
(Grenade misses opening and bounces off towards player)
Player2:Lol, that noob threw a Dave Grenade!
by Oliver "Spud" February 20, 2008
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