shmexxy Share definition Flag a word more juvinile then sexy. Usually used to describe tihngs amung middle-school girls. Emily: Do you like this top? Lauren: Totally, you shmexxy beast! shmexxy by Sour Sweetie xoxoxox October 10, 2008 0 0 Get merch Get the shmexxy mug. Buy Now — $32.95 See more merch