B

Barebacking
Pentetrative sex (oral, anal, vaginal) without a condom.

Bastinado
A form of torture involving the beating or whipping of the soles of the bare feet. Click for more info

BBW
Big, Beautiful Woman

BDSM
An abbrevation standing for Bondage and Discipline (BD), Bondage & Domination (BD), Dominance and Submission (DS), Sadism and Masochism (SM).

Bear
Term for a big, beefy gay man with a lot of body hair.

Boi
1. in the lesbian community, a young transgendered/androgynous/masculine person who is biologically female and presents themself in a boyish way; also “boidyke”

2. in the gay community, a young gay man;

3. in the BDSM community, someone who presents themselves in a young, boyish way and is usually a bottom/submissive;

Bondage
Sexual slavery, particularly dealing with the practice of restraining one's partner to an object (bed, floor, table, ceiling). The practice usually involves rope, leather, chains, and other equipment specially designed for the purpose.