Masochism
From Voyeurweb's Wiki about Sex
Masochism refers to the sexual enjoyment derived from being beaten, bound, humiliated, or otherwise made to suffer physically.
Masochism is the "M" letter in S&M and BDSM
Often Masochism is coupled with Sadism, the "S" letter in S&M, which is the sexual enjoyment derived by being the one that inflicts the beating, bondage, humiliation and physical suffering.
