law-enforcement officer/agent vs walloper

law-enforcement officer/agent

walloper

noun
  • penis; (by extension) an idiot, a stupid person. 

  • One who wallops. 

  • A policeman, a male police officer. 

  • Something big; a whopper. 

  • A cudgel, a shillelagh. 

How often have the words law-enforcement officer/agent and walloper occurred in a corpus of books? (source: Google Ngram Viewer )