Fufflenuts Share definition Flag Fufflenuts is a word used when you make a humiliating and/or painful mistake. Oh fufflenuts, I dropped the Tv.Oh fufflenuts I dropped my iPad on the driveway. Fufflenuts by Funfuffle22 May 7, 2017 0 0 Get merch Get the Fufflenuts mug. Buy Now — $32.95 See more merch