Psychiatry. the condition in which sexual gratification depends on suffering physical pain or humiliation.
gratification gained from pain, deprivation, degradation, etc., inflicted or imposed on oneself, either as a result of one's own actions or the actions of others, especially the tendency to seek this form of gratification.
the act of turning one's destructive tendencies inward or upon oneself.
the tendency to find pleasure in self-denial, submissiveness, etc.
(psychiatry) an abnormal condition in which pleasure, esp sexual pleasure, is derived from pain or from humiliation, domination, etc, by another person