horizontal refreshments vs intimacy

horizontal refreshments

noun
  • Sexual intercourse. 

intimacy

noun
  • Intimate relationship. 

  • Feeling or atmosphere of closeness and openness towards someone else, not necessarily involving sexuality. 

  • Intimate detail, (item of) intimate information. 

How often have the words horizontal refreshments and intimacy occurred in a corpus of books? (source: Google Ngram Viewer )