Badetiss Share definition Flag Badetiss is when you are bathing in cold water and your penis shrinks down to the size of a peanut. Ohh shit i totally got a badetiss. I hope the girls think I have a small penis. Badetiss by YeetMale June 12, 2019 0 0 Get merch Get the Badetiss mug. Buy Now — $32.95 See more merch