Psychotic, or otherwise insane.
A character, usually a girl, who has a obsessive side in regards to their crush, ready to use violent and murderous means to maintain an exclusive bond.
A person who is psychotic or otherwise insane.
‘The loony bin up on the hill is full of psychos.’;
A person who acts in a bizarre or dangerous manner.
‘She complained that he was a psycho for driving at such a high speed in heavy traffic.’;
(informal) A class, at a college or university, in which psychology is taught.
‘I've got anthro, socio, lunch, and psycho.’;
a person afflicted with psychosis