Limp Mouthing Share definition Flag A female or male that sucks so much dick that their lips puff up, causing them to look like one of the Jenners. Did you see Jessica? Yeah, shes always been known limp mouthing. Limp Mouthing by Irish Frederick October 4, 2017 0 0 Get merch Get the Limp Mouthing mug. Buy Now — $32.95 See more merch