From tame to extreme, check out this extensive list of kinks and fetishes. exchange relationship that functions 24/7; Abduction Seduction – kidnapping someone but Aliens – fantasy about having sex with aliens, often abduction and forced. This glossary of BDSM terms defines terms commonly used in the BDSM community. BDSM activities are described as play in BDSM terminology. The BDSM term is a portmanteau initialism intended to take in all of the following activities: Bondage and discipline play (B & D or B/D); Dominance and submission (D 24/7: A relationship in which protocols are in place continuously.