WAG vs glimmer

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. 

glimmer

noun
  • A faint or remote possibility. 

  • A faint light; a dim glow. 

  • A flash of light. 

verb
  • To shine with a faint, unsteady light. 

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