cfilorix Share definition Flag Every third letter in the alphabet-abCdeFghIjkLmnOpqRstUvwXyz.....boy are you running out of things to type into Urban dictionary Mark: CFILORIX Andrew: Wow, three is my lucky number, which makes those letters my lucky letters! cfilorix by anonymous May 11, 2021 0 0 Get merch Get the cfilorix mug. Buy Now — $32.95 See more merch