clacker vs shitter

clacker

noun
  • The anus. 

  • Any device that makes a clacking noise. 

  • A percussion instrument that makes a clacking noise. 

shitter

noun
  • The anus. 

  • A toilet or lavatory; an outhouse. 

  • One who defecates. 

  • Someone lacking skill, especially in a video game. 

  • An objectionable person or thing. 

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