The SmutWords Glossary

Every trope, kink, fetish, and dynamic explained in plain language — plus real books to read for each one.

All Tropes Kinks Fetishes Dynamics Practices
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
kink

Face Slapping Kink

Face slapping kink is a consensual BDSM practice where one partner strikes the other across the face, typically open-handed, to deliver a sharp, stinging sensation that heightens power exchange, intensity, or humiliation play.

kink

Feral Play

Feral play is a primal, often animalistic scene where one or both partners slip into a wild, instinct-driven headspace, growling, snarling, and moving with raw, predatory intensity rather than human control.

kink

FFM Threesome

A sexual encounter involving one man and two women, often centered on the women's mutual pleasure and the man's role as a shared partner or observer. It's a staple of fantasy-driven romance, where the dynamics shift between intimacy, voyeurism, and group connection.

kink

First Time Trope

The First Time Trope centers on a character's first sexual experience, often depicted with nervousness, discovery, and heightened emotional stakes. It can be a first with a new partner, or a first after a long period of abstinence or repression.

kink

Flogging

Flogging is a BDSM practice where a flogger, a multi-tailed whip, is rhythmically struck against a partner's skin, delivering a stinging or thudding sensation depending on force and implement.

kink

Forced Orgasm

A BDSM scene where the dominant partner brings the submissive to orgasm repeatedly, often against their will or without their control, until they are overwhelmed or begging to stop.

kink

Foursome

A sexual encounter involving four participants, often arranged as two couples swapping partners or one couple inviting another pair to join them. It can also be a planned group scene where all four interact in various combinations.

kink

Free Use Kink

A negotiated arrangement where one partner gives blanket, ongoing consent for the other to use them sexually at any time, often as a lifestyle dynamic or scene frame. It turns everyday moments into potential erotic touchpoints, with the using partner acting on desire without asking first, within preset boundaries.

kink

Friends with Benefits

Friends with Benefits is a casual sexual arrangement between friends who agree to have sex without romantic commitment, often with the understanding that their friendship remains the primary bond.