necrosadism means sexual arousal or gratification derived from the mutilation or humiliation of dead bodies; sadism towards the dead. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From necro- + sadism.
noun
- Sexual arousal or gratification derived from the mutilation or humiliation of dead bodies; sadism towards the dead.“... necrosadism, arousal from mutilating a corpse. All these features were typically displayed by Jack the Ripper, the notorious late nineteenth century killer.”