{runs to a dictionary, turns to the "M's", looks for Masochist}
NOUN:
-The deriving of sexual gratification, or the tendency to derive sexual gratification, from being physically or emotionally abused.
-The deriving of pleasure, or the tendency to derive pleasure, from being humiliated or mistreated, either by another or by oneself.
-A willingness or tendency to subject oneself to unpleasant or trying experiences