bird dog vs goggle

bird dog

verb
  • To watch closely. 

  • A multiservice tactical brevity code requesting configuration of sensors. 

  • To seek out. 

noun
  • A dog, especially a pointer, used in shooting to retrieve the dead birds. 

  • A tout. 

  • A person who seeks out real estate investment opportunities in exchange for a fee. 

  • A person who tries to steal someone else's romantic partner 

  • A radar detector (for detecting police speed traps). 

  • A hyperextension exercise performed lying on the knees, with one arm and the opposite leg lifted. 

goggle

verb
  • To stare (at something) with wide eyes. 

  • To roll the eyes. 

noun
  • A wide-eyed stare or affected rolling of the eye. 

  • A pair of protective eyeglasses. 

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