intimation vs showing finger

intimation

noun
  • The thing intimated. 

  • Announcement; declaration. 

  • The act of intimating. 

  • A hint; an obscure or indirect suggestion or notice; a remote or ambiguous reference. 

showing finger

noun
  • the forefinger 

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