Mas·och·ism

Dictionary Definition:

mas·och·ism (ms-kzm)
n.

1. The act or an instance of deriving sexual gratification from being physically or emotionally abused.
2. A psychological disorder in which sexual gratification is derived from being physically or emotionally abused.
3. The act or an instance of deriving pleasure from being offended, dominated, or mistreated.
4. The tendency to seek such mistreatment.