urinal wall Share definition Flag When you use a urinal (guys only, obviously) and then you discover you accidentally put your boxers on backwards and can't find slit. "Man I cant believe I Urinal Walled myself, quick grab a papertowel" urinal wall by Druid4leaf July 15, 2014 0 0 Get merch Get the urinal wall mug. Buy Now — $32.95 See more merch