Cactus Fisting Share definition Flag Cactus Fisting is the act of using prickly pear cacti to shove up your enemies asses. The next time we're in Wyoming we're gonna be cactus fisting Cheney. Cactus Fisting by Jacques Asse June 11, 2009 0 0 Get merch Get the Cactus Fisting mug. Buy Now — $32.95 See more merch