Twat Stopper Share definition Flag An alternate way to say ' tampon', meant to be intentionally offensive to uptight people or amusing to the dirty minded. My girl is on her period, I got sent to get her some twat stoppers. Twat Stopper by SevenEvils April 18, 2015 0 0 Get merch Get the Twat Stopper mug. Buy Now — $32.95 See more merch