slycdexic Share definition Flag The opposite of dyslexic. Someone who is really intelligent and has superior knowledge, impeccable spelling and reading ability. “Ben is extremely slycdexic, I wish I was more like Ben.” slycdexic by benjeminfranklin July 1, 2021 0 0 Get merch Get the slycdexic mug. Buy Now — $32.95 See more merch