bib vs get down

bib

verb
  • To beep (e.g. a car horn). 

  • To dress (somebody) in a bib. 

noun
  • A rectangular piece of material, carrying a bib number, worn as identification by entrants in a race. 

  • A patch of colour around an animal's upper breast and throat. 

  • A bibb (bibcock). 

  • Similar items of clothing such as the Chinese dudou and Vietnamese yem. 

  • An item of clothing for people (especially babies) tied around their neck to protect their clothes from getting dirty when eating. 

  • The upper part of an apron or overalls. 

  • A colourful polyester or plastic vest worn over one's clothes, usually to mark one's team during group activities. 

  • Shorts which are held up by suspenders. 

  • A north Atlantic fish (Trisopterus luscus), allied to the cod. 

get down

verb
  • To swallow (something). 

  • Used other than figuratively or idiomatically: see get, down. 

  • To party. 

  • To duck or take cover, usually to avoid harm. Commonly used as a caution or warning in the imperative. 

  • To concentrate; attend. 

  • To leave the table after dining. 

  • To relax and enjoy oneself completely; be uninhibited in one's enjoyment. 

  • To have sex. 

  • To record in writing. 

  • To bring or come down; to descend; to cause to bring or come down. 

  • To depress; discourage; fatigue. 

  • To dance, particularly without inhibition or restraint, or in a sexually suggestive manner. 

  • To criticise 

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