Sterile Sheryl Share definition Flag The process of micturating in a woman's vaginal cavity while copulating; peeing in some sluts puss. Before Ashlyn even knew it, Bradford had sweetly given her a Sterile Sheryl. Sterile Sheryl by the d00d September 21, 2006 0 0 Get merch Get the Sterile Sheryl mug. Buy Now — $32.95 See more merch