jig-jig vs share a bed

jig-jig

verb
  • to have sex 

noun
  • sexual intercourse, sex 

share a bed

verb
  • To engage in sexual intercourse (with someone). 

  • Used other than figuratively or idiomatically: see share, bed. 

How often have the words jig-jig and share a bed occurred in a corpus of books? (source: Google Ngram Viewer )