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A cheat in Halo 2 that exploits the Xbox Live network code to make a player invisible and invulnerable, allowing him to capture a flag in 15 to 20 seconds. It involves getting in and out of the passenger side of a Warthog repeatedly, then having a partner drive it to the base, at which point you take the flag, then take one step, which teleports you back to your base for the cap.

On a side note, Bungie has made dummying a bannable offense.
Dummying is one of the cheats that is slowly making Halo 2 into another Counterstrike.
by Seer-of-Shadows February 20, 2005
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