psycho

ot noun

1. A person who is psychotic or otherwise insane. The loony bin up on the hill is full of psychos.
2. 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.
3. A class, at a college or university, in which psychology is taught. I've got anthro, socio, lunch, and psycho.

sifat adjective

1. Psychotic, or otherwise insane.