thats pretty sex Share definition Flag a common catch phrase used by lana finney (a unit ) to define how good somthing is me : * pops off on blackops 4 lana: ThAtS pReTtY sEx thats pretty sex by thats pretty sex October 10, 2019 0 0 Get merch Get the thats pretty sex mug. Buy Now — $32.95 See more merch