derrick fart Share definition Flag A NASTY spray of ass juice in your face .reminiscent of decaying flesh, may cause instavomit and 3rd degree burns. I feel sick, i walked into a derrick fart on the way here,call 911! derrick fart by Dwreck May 15, 2018 0 0 Get merch Get the derrick fart mug. Buy Now — $32.95 See more merch