Fistimonic Orgasm Share definition Flag When you fist someone so hard that they have an orgasm. Jacob: OH SEBASTION PLEASE DONT FIST ME ANYMORE, I'M GOING TO HAVE A FISTIMONIC ORGASM! Fistimonic Orgasm by Khagreytits September 7, 2014 0 0 Get merch Get the Fistimonic Orgasm mug. Buy Now — $32.95 See more merch