(US Und.) a pathological lawbreaker.
|N.Y. Times Mag. 16 Mar. 88: Mooner. — One of a number of people who keep policemen busy during full moons (when, according to police lore, categories of crime show an increase) [HDAS].|
|Lowspeak 100: Mooner – a psychopathic criminal, one who commits crimes such as rape.|