Erotic role-playing letters

• Whips, chains, etc
• Practice with blindfolds and gags, for short
• Initials for a practice that often involves a safe word

Wikipedia Word definitions in Wikipedia
BDSM is a variety of often erotic practices or roleplaying involving bondage , discipline , dominance and submission , sadomasochism , and other interpersonal dynamics. Given the wide range of practices, some of which may be engaged in by people who do ...

Wiktionary Word definitions in Wiktionary
n. ''(initialism, uncountable)'' sexual practices or activity involving bondage, discipline, sadism, masochism, or acts of domination and submission.