Lich slap Share definition Flag The act of slapping a WoW raider across the face in the halls of Icecrown Citadel. "Dude did you hear about Crushem? He got Lich Slap'd all the way back the whelp cave." Lich slap by jeebusez January 20, 2010 0 0 Get merch Get the Lich slap mug. Buy Now — $32.95 See more merch