PC vs walloper

PC

noun
  • forty-nine (an allusion to a cartoon character, Police Constable 49) 

  • A member of the Conservative Party of Canada. 

  • A personal computer, especially one similar to an IBM PC that runs Microsoft Windows (or, originally, DOS), usually as opposed to (say) an Apple Mac. 

verb
  • To make politically correct. 

walloper

noun
  • A policeman, a male police officer. 

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

  • One who wallops. 

  • Something big; a whopper. 

  • A cudgel, a shillelagh. 

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