mini holiday vs outing

mini holiday

outing

noun
  • A performance in public, for example in a drama, film, on a musical album, as a sports contestant etc. 

  • A pleasure trip or excursion. 

  • The practice of publicly revealing that a person is homosexual or transgender without that person's consent. 

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