cum brace Share definition Flag This is when you cum on a girls teeth and it completely covers their teeth without entering their mouth. best applied with a spoon. 1a) can i give you a cum brace girl? 1b) yea sure, just dont get it in my mouth! cum brace by Kempo September 22, 2006 0 0 Get merch Get the cum brace mug. Buy Now — $32.95 See more merch