In the game Medal of Honor, the ability to drop a grenade at a teammate's feet, then switch teams, whereby the grenade now becomes hostile, so when it blows up, it kills your teammate.
I've been telefragged.
To kill another being(s) by teleporting into the space they are occupying.
"That guy prefers to telefrag people instead of shooting them."
Luke Vyrm got telefragged by daesotho!
To frag through teleportation. First appearance in the game of Doom.
Player A is standing on teleporter destination pad. Player B enters source pad. Player B ends up killing Player A.
To kill an opponent in a game of Quake by respawning or teleporting directly on top/into them.
using the translocator to kill an opponent in Unreal Tournamnet
hey numb numb nutz...you've been telefragged
In Halo, to attempt to continue a teleport while another player is standing on the tele pad, despite warnings of "The Teleporter is Blocked"
The player on the teleport is then killed, dubbed a 'Telefrag.'
Taken from Unreal Tournament.
You have been telefragged!