Fartfignewton Share definition Flag Noun: Fartfignewton (fart-fig-newton) 1. The state of being a fart genius what a fartfignewton! Fartfignewton by Artt Vandalay November 19, 2007 0 0 Get merch Get the Fartfignewton mug. Buy Now — $32.95 See more merch