fudnuck Share definition Flag The act of sexing a below-average, Canadian cunt with your finger in her butt up to the knuckles, until she squirts and has an ass orgasm. "Drake, did you see Melyssa?""Did I?""She's absolutely gorgeous.""I know. I wanna fudnuck." fudnuck by Mugsy X February 5, 2014 0 0 Get merch Get the fudnuck mug. Buy Now — $32.95 See more merch