eat out vs picnic

eat out

verb
  • To dine at a restaurant or such public place. 

  • Used other than figuratively or idiomatically: see eat, out. 

  • To erode or encroach upon by gradually consuming. 

  • To perform cunnilingus or anilingus on. 

  • To reprimand severely. 

picnic

verb
  • To take part in a picnic. 

noun
  • An easy or pleasant task. 

  • An informal social gathering, usually in a natural outdoor setting, to which the participants bring their own food and drink. 

  • The meal eaten at such a gathering. 

  • A cut of pork from the shoulder area (above the front leg) of a pig. 

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