butt hash Share definition Flag Butt hash is an inhaled gas which can result in dissociation and hallucinations. It is made from fermented sewage. aka Jenkem or Jekem Damn i dont have enough money for pot. Oh well at least butt hash is free. butt hash by jwood0fw December 2, 2007 0 0 Get merch Get the butt hash mug. Buy Now — $32.95 See more merch