Wartenburg Pinwheel	:=	A neural response tester consisting of a metal handle with a free-spinning, metal pinwheel attached to one end. The "pins" are very sharp. Wartenburg Pinwheels are used to test neural responses of spinal chord injury patients.
Watersport	:=	A humiliation technique where the dominant urinates on the submissive (see also Safety: Golden Shower / GS)
Waxing, Wax Play	:=	A technique where the Dominant brings hot wax on the submissive's skin (see also Wax Play)
Whip	:=	Usually made of leather with a medium size handle and long braided leather strings.
White Room	:=	Room where medical and clinical games are played. (see also Dark Room)
Wrist cuffs	:=	Restraints designed to fit the wrists.
YKIOK	:=	Abrev: Your Kink Is OK. A philosophy of tolerance in the BDSM community, accepting other people's consensual practices as OK. Conversely if you do something that is not safe or nonconsensual, you may hear YKINOK (your kink is not OK)