syko

Noun (1)

psycho (plural psychos)

1. (derogatory, slang) A person who is psychotic, psychopathic, or (broadly) otherwise insane.
   • The loony bin up on the hill is full of psychos.

   Synonyms:

   freak, loony, nutcase, wacko

2. (broadly, derogatory, slang) 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.

   Synonyms:

   creep, freak, loose cannon, weirdo

Noun (2)

psycho (uncountable)

1. (informal) A class, at a college or university, in which psychology is taught.
   • I've got anthro, socio, lunch, and psycho.

See all 4 meanings of psycho