last shitment Share definition Flag The dump that you take right before leaving school or the workplace, usually because no one else is in the bathroom at this point. Male 1- Hey man, you ready to go? Male 2- Yeah dude just a sec, I gotta make my last shitment. last shitment by A-Whack April 6, 2008 0 0 Get merch Get the last shitment mug. Buy Now — $32.95 See more merch