bathroom showdown Share definition Flag When you try to poop in a stall at work but there is someone in another stall doing the same thing. I tried to poop during my lunch break but I lost the bathroom showdown and held my poop until I got home. bathroom showdown by kytx September 22, 2016 0 0 Get merch Get the bathroom showdown mug. Buy Now — $32.95 See more merch