what is sadist
Sadism may refer to: 1  Sadomasochism, consenting partners willingly engaging in aspects of pain or humiliation for sexual pleasure. See also: BDSM. 2  Sadistic personality disorder, an obsolete term proposed for individuals who derive pleasure from the suffering of others. See also: Antisocial personality disorder. Sexual sadism disorder, a medical/psychological condition for sexual arousal from inflicting pain/humiliation on unwilling, non-consenting victims.