fizz face Share definition Flag the face one makes after rolling xtc for a while. eyelids get droopy and eyes roll into the back of the head, and the mouth is semi-open "dude, look at her fuckin' fizz face!" fizz face by acidprincess May 30, 2008 0 0 Get merch Get the fizz face mug. Buy Now — $32.95 See more merch