Sexual Pleasure - Generally refers to physical enjoyment one gains from sexual activity.
Side - Term used to refer to people interested in sex that does not involve penetration. Typically used to refer to those only interested in oral sex.
Slick - Slang for precum sometimes used in alpha/omega erotica, furry porn, or petplay.
Small Penis Humiliation - Humiliation kink revolving around penis size.
Squirt/Squirting - Orgasmic ejaculation from someone who has a vulva.
Stone Top - Refers to a top who is primarily focused on their partner's pleasure rather their own. They do the touching, not getting touched.
Strap On - A wearable dildo.
Stripper - A performer whose performance involves removing their clothing for the sexual arousal of others.
Striptease - When an indivudal removes their clothes in an enticing manner, often for an audience.