Frankenfuckup Share definition Flag The worst case mashup that causes mayhem. Noun. I would love to hang out, but there's a good chance there's a body in the basement. I don't want to be a frankenfuckup. Frankenfuckup by Jennis TheMenace July 19, 2023 0 0 Get merch Get the Frankenfuckup mug. Buy Now — $32.95 See more merch