lulu vs pin-up

lulu

noun
  • A remarkable person, object or idea. 

  • A very bad mistake or error. 

  • A very attractive or alluring person. 

  • A fixed allowance paid to a legislator in lieu of reimbursement for actual expenses. 

pin-up

noun
  • Figurehead, person who represents an idea, cause etc. 

  • A photograph, printed in a magazine or other publication, of a sexually attractive person (often nude or provocatively dressed), and intended to be removed and pinned up on a wall. 

  • The person so depicted. 

How often have the words lulu and pin-up occurred in a corpus of books? (source: Google Ngram Viewer )