Fishy Letters Share definition Flag Fishy letters are those letters that are used for dumb people's captions These are fishy letters:Lisa: how was your day? Dumb person: o0hH iT w@s aMazIng, i At3 f1sH!!! Fishy Letters by Birdie the dictionary November 23, 2019 0 0 Get merch Get the Fishy Letters mug. Buy Now — $32.95 See more merch