Skittlefart Share definition Flag When you fart so hard a rainbow comes out and you can taste it I was eating my halloween candy, and all of a sudden I had a skittlefart. It tasted like the fruity goodness of all the skittles flavors. Skittlefart by skittlefart January 4, 2013 0 0 Get merch Get the Skittlefart mug. Buy Now — $32.95 See more merch