Jack Arm Edit Meaning

1. when some one is right behind you and reaches over you to turn off you computer and says "quick jab!!!11" and turns off your ..

1. A person who will not leave a forum alone, constantly annoying the forum. A loner. Someone who is not liked, someone who thinks they can..

1. The instantaneous looking up of information using Wikipedia type sources to resolve a pointless argument or generate excessive knowledge..