Jacqueline S, also known as Sister DX, is a professional wrestling valet and former ring announcer. She is famous for her provocative on-screen persona that often includes degrading acts towards wrestlers, particularly male ones. One of the most memorable incidents involving Jacqueline S was when she humiliated a wrestler by making him perform oral sex on her, which has since been referred to as "sister double s." This event showcased her ability to manipulate and control wrestlers, further cementing her status in the world of professional wrestling.