Steam Hammer Share definition Flag When a person shits himself in the shower and the stink spreads quickly utilizing the steam as a carrier. "Hey Morty! That son of yours took a shit in the shower again, cause the neighbors are complaining" Steam Hammer by Willy the J.A. March 27, 2003 0 0 Get merch Get the Steam Hammer mug. Buy Now — $32.95 See more merch