The act of creeping up behind someone, preferably sitting at a desk, and jabbing a claw-shaped hand between the collarbone and shoulder blade with falcon-like speed and precision.
'Dude, you just falcon jabbed the shit out of me!!!'
'Did you just falcon jab that kid over there? I think he's dead.'
'Did you just falcon jab that kid over there? I think he's dead.'
by Broldsy May 18, 2009
Get the Falcon Jabmug.