Seymour Stains Share definition Flag A women who has had a lot of semen stains on her clothing. I hear that Seymour Stains had to wash her dress again. What a dirty bitch she is. Seymour Stains by ntash November 23, 2014 0 0 Get merch Get the Seymour Stains mug. Buy Now — $32.95 See more merch