fucked in the head vs psycho

fucked in the head

adj

  • Not quite right mentally: perverted, stupid, or mentally ill. 

psycho

adj

  • Psychotic or otherwise insane. 

noun

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

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

  • A person who is psychotic or otherwise insane. 

How often have the words fucked in the head and psycho occurred in a corpus of books? (source: Google Ngram Viewer )