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The art or act of skillfully fraggin one’s opponent with the use of grenades or other compact explosive devices that are thrown by hand or projected such as grenade launchers , pipe bombs , plasma grenades, etc.

The term originated during a Quake 2 deathmatch.

It is short for grenade tactics.
The way the grenade bounced off the wall and entered the gap in the opposite wall to make the kill demonstrates the use of grenactics.
by SqueekyFoot August 25, 2008
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