Shlump Share definition Flag From the Latin root of "slumber" and a combination of the slang word "shleep", to be exhausted and drained from a previous event. Dude, I was up so late last night, I'm so shlumped. Shlump by Picodegallo118 February 4, 2017 0 0 Get merch Get the Shlump mug. Buy Now — $32.95 See more merch