crackers vs screwed up

crackers

adj
  • Crazy, insane. 

noun
  • A kind of noisy leather pants or trousers. 

screwed up

adj
  • Morally reprehensible; clearly and grossly objectionable. 

  • Having been screwed into a ball. 

  • Broken, damaged, inoperative or having only partial functioning, especially by inept handling. 

  • Having psychological problems; being mentally distraught or damaged. 

How often have the words crackers and screwed up occurred in a corpus of books? (source: Google Ngram Viewer )