anus vs clacker

anus

noun
  • The lower orifice of the alimentary canal, through which feces and flatus are ejected. 

  • An impolite, unpopular, or unintelligent person. 

clacker

noun
  • The anus. 

  • Any device that makes a clacking noise. 

  • A percussion instrument that makes a clacking noise. 

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