Finnafart Share definition Flag A nickname to call a poo head named finn who likes to fart Finnafart - to fart on someone’s faceLook over there! it’s finnafart! I bet he’s farting Finnafart by Abcdefghijkkk September 10, 2022 0 0 Get merch Get the Finnafart mug. Buy Now — $32.95 See more merch