fucked in the head vs off the deep end

fucked in the head

adj

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

off the deep end

adj

  • Crazy, erratic, or irrational. 

  • Extremely angry. 

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