adjective

informal
  • Psychopathic.

    • ‘I always thought that those psycho girls who stalked band members and actors were just make believe, until now.’
    • ‘I would come back and watch all my favourite violent psycho movies.’
    • ‘They were scrawny but muscly trashy types, like my in-and-out, in-and-out of prison psycho cousin.’
    • ‘Next is Melanie, doing that psycho laugh of hers from the old days.’
    • ‘I love blood and gore and crazed psycho killers come back from the dead.’