R.W.S. Share definition Flag Royal Woman Slurpee. To regurgitate into a woman's vagina during oral sex while shitting your pants. Jacob was feeling thirsty so he asked his mom if he could have an R.W.S.. R.W.S. by Headless Horseman April 17, 2007 0 0 Get merch Get the R.W.S. mug. Buy Now — $32.95 See more merch