Fart Suprise Share definition Flag An accident fart or poopie that is unexpected and person is caught off gaurd. "yesterday i was in class and out of no where i farted without even trying. Damn fart suprise." Fart Suprise by ttc5w6z March 14, 2012 0 0 Get merch Get the Fart Suprise mug. Buy Now — $32.95 See more merch