coppertop vs ginger beer

coppertop

noun

  • A person with ginger hair. 

ginger beer

noun

  • A fermented, typically non-alcoholic, drink flavoured with ginger. 

  • queer (i.e. homosexual). 

  • A glass or drink of ginger beer. 

adj

  • queer (i.e. homosexual). 

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