few cards shy of a full deck vs fucked in the head

few cards shy of a full deck

adj

  • mentally deranged; demented; insane. 

fucked in the head

adj

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

How often have the words few cards shy of a full deck and fucked in the head occurred in a corpus of books? (source: Google Ngram Viewer )