psycho — English Dictionary

Adjective

1. Psychotic, psychopathic, or (broadly) otherwise insane.

   Usage

   • Colloquial
   • Derogatory

   Examples

   That psycho jawn had snuck a pistol into the gym while we was practicing and started shooting shit up like she was some kinda hot female action hero.

   Oh, she's sweet but a psycho / A little bit psycho / At night she's screamin' / "I'm-ma-ma-ma out my mind"

Noun

1. A person who is psychotic, psychopathic, or (broadly) otherwise insane.

   Usage

   • Derogatory
   • Slang

   Synonyms

   freakloonynutcasewacko

   Examples

   The loony bin up on the hill is full of psychos.

   Oh, she's hot but a psycho / So left but she's right, though / At night she's screamin' / "I'm-ma-ma-ma out my mind"

2. A person who acts in a bizarre or dangerous manner.

   Usage

   • broadly
   • Derogatory
   • Slang

   Synonyms

   creepfreakloose cannonweirdo

   Examples

   She complained that he was a psycho for driving at such a high speed in heavy traffic.

Noun

1. A class, at a college or university, in which psychology is taught.

   Usage

   • Informal
   • Uncountable

   Examples

   I've got anthro, socio, lunch, and psycho.

Noun

1. a person afflicted with psychosis

   Synonyms

   psychoticpsychotic person

   Broader terms

   sick persondiseased personsufferer