rack: Furniture to which the victim is bound by wrists and ankles; the ropes are tightened, stretching the body painfully. (Historically, this was often continued until arms and legs were pulled out of joint. Hopefully, nobody carries it that far these days….) (Not to be confused with RACK , an acronym also found below as Risk-Aware Consensual Kink.)
rape play: Scenario in which the bottom is forced to have sex (usually receiving intercourse or anal penetration). Also see takedown.
ravishment: See rape play above.
red flags: Behaviors in a prospective BDSM partner that indicate the person may be prone to abusive or undesirable behavior.
resistance play: Any mutually consensual activity in which one person struggles against another and is subdued by “force.” May involve rape play; some forms of bondage include resistance as well.
reverse humiliation: (see anti-humiliation): Saying and doing nice things in a way that opens up the subject emotionally, often causing tears and and emotional breakdown.
reward (see discipline, punishment): Positive reinforcement for the purpose of modifying the subject’s behavior. May be anything from a favored BDSM activity (sensual spanking, orgasm) to a tossed m&m or jelly bean, to a whispered “goooood slave!”
rimming: Licking or inserting the tongue into another’s anus.
ring gag: A type of gag consisting of a metal ring, often padded with leather, which is placed in the mouth in such a way as to hold the mouth open. A strap secures it in place.
Risk-Aware Consensual Kink (RACK) (compare with Safe, Sane, Consensual (SSC)): A standard of conduct for the healthy enjoyment of BDSM participants; similar to SSC, but acknowledges that there are always risks in any kind of activity which must be understood and accepted.
role play: Scene in which one or more participants assumes the role of a character (e. g.: police, secret agent, superhero, historical figure, character from book or movie, vampire, wolf, etc). May include costume play as an enhancement.
Roman showers: Vomiting on another person.
rope bunny (see bunny): usually a demo model for rope work, such as shibari, Japanese rope bondage.
rules: see protocol.