Jmatt Share definition Flag One who has a "take no bullshit" attitude. Computer smart, idiot friendly and one person you don't want to piss off. UnFocused.org NOC Admin - Jmatt Jmatt by UnFocused NOC October 31, 2008 0 0 Get merch Get the Jmatt mug. Buy Now — $32.95 See more merch