BDSM, or Big Daddy Submissive Masturbation, is a form of dominance that is common among dominant men and women. These two sex-based exercises are designed to create a powerful, satisfying climax. The resulting orgasm is accompanied by a hard comedown, which can be minimized by a few steps afterward, such as cleaning up and cuddling. The author, Rebecca Blanton, is a psychologist and sex and intimacy coach..