choad vs dirk

choad

noun
  • A penis, especially one that is short and thick. 

  • The perineum. 

  • A loser or undesirable person; an insulting name. 

dirk

noun
  • A long Scottish dagger with a straight blade. 

verb
  • To stab with a dirk. 

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