WAG vs eye-opener

WAG

noun
  • A wife or girlfriend of a sports star or other celebrity, originally and especially of an association football player. 

  • A wild-assed guess; a rough estimate. 

eye-opener

noun
  • A startling or shocking revelation. 

  • A strong alcoholic beverage, especially one consumed in the morning. 

  • Something that causes the eyes to open, or that opens the eyes. 

  • An attractive woman. 

  • Something that provides a sudden insight, or makes something clear that was previously mysterious. 

How often have the words WAG and eye-opener occurred in a corpus of books? (source: Google Ngram Viewer )