sado-masochism 

Sado-masochism is a combination of the words sadism, meaning to take pleasure in inflicting pain on others, and masochism, to take pleasure in pain inflicted on you. Together, the term sado-masochism refers to a wide spectrum of kinky sex relating to pain.

Rich is heavy into the sado-masochism scene. He likes giving it AND taking it.

sado-masochism by TheArgonaut October 26, 2006

sado-masochism 

named after the Marquis de Sade (1700's), it is the act of sexual pleasure through deliberate infliction of pain and most often involves role playing

Sado-masochism is considered by some to be a completely alternative lifestyle.

sado-masochism by D. Smith September 24, 2006

sado-masochism 

A faction of the BDSM lifestyle shared by many people globally. It is named for both Marquis de Sade (120 Days of Sodom) of noble French birth and also for Leopold van Sacher Masoch (Venus in Furs). Both writers represent the two extremes of the spectrum. Sade represents male dominance, while Masoch represents male subservience. Hence the word we use today is a combination of the two.

Since his teen years he had been reading fictional tales of sado-masochism, and now he finally got the courage to indulge his fantasies. He stepped into the dungeon, dropped to his knees, and beheld his new Mistress. Tonight he would become powerless.

sado-masochism by Dame Alexza February 23, 2009

Sado-mathocist 

Someone who enjoys tormenting others with maths tests, puzzles or trivia.

Often found in maths classes across the spectrum of education -behind and in front of the teacher's desk. The Sado-mathocist can be identified by their half chewed down pencil from an over-indulgent sudoku addiction, graphical calculator with worn down equals button and a generally quiet demeanour, their mind too busy with the possibilities of oncoming numerical torture.

I was about to make it through my morning physics class, until my hangover was interrupted by a sado-mathocist ambushing me with a mechanics question.

Sado-mathocist by DaveP March 5, 2012