Bruce and his lover Brian were into BSDM and were a sado-masochistic pair.
By Stephenie
Sado-masochist
A person who takes pleasure from recieving sexual pain, and who also takes pleasure out of giving sexual pain. This type of pain may include, but is not limited to: biting, scratching, etc. A sado-masochist enjoys pain, just like any other form of stimulation.
She, being a sado-masochist, couldn't help but be aroused from the sudden pain of his bite, and proceeded to dig her fingernails hard into his back.
By Mattie
Sado-masochist
one who enjoys pain being done to themselves and others. people like these are slitters, sadists, etc.