bogan vs smackhead

bogan

noun
  • An unsophisticated person from a working class background. 

  • A petrolhead. 

  • Any narrow water or creek, particularly a tranquil backwater. 

  • An Anglo-Celtic member of a lower socioeconomic group, stereotypically classified as wearing black jumpers or black concert T-shirts. 

  • An indigenous person. 

verb
  • To act like a bogan. 

smackhead

noun
  • A person who regularly uses heroin. 

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