Fart-Jack Share definition Flag The act of being lazy, or not doing what one is supposed to be doing, such as at a job. "Quit fart-jacking around Bill, if we don't get this work done we're going to be fired". Fart-Jack by Jeano-Beano May 26, 2018 0 0 Get merch Get the Fart-Jack mug. Buy Now — $32.95 See more merch