Derived from the Jackhammer, a triple barrel shotgun in the game www.planetside.com that used to deal a massive amount of pwnage up close, as a triple barrel shotgun should.
It got nerfed into oblivion, now only newbtards that missed the patch notes and 1337 twitch kiddies keep using it.
1.) Noun. The bastardization of the word Jackhammer, a weapon from the game Planetside. Normally a term used by people who complain after being killed in a video game, also by people who cannot spell 'balanced.'
VS guy: OMFG this game is so unbalenced!!!!1! Every NC has one, how GAYHEY
Me: Just jump in your Magrider and go run over some people. That'll make you happy again.