hide the sausage vs show someone one's etchings

hide the sausage

verb
  • To have sex (where a penis is involved). 

show someone one's etchings

verb
  • A clichéd innuendo used to offer to bring someone to a private location in order to have sex, to show a place where people can engage in sexual intercourse (alternatively replacing "someone" with a phrase starting with to) 

How often have the words hide the sausage and show someone one's etchings occurred in a corpus of books? (source: Google Ngram Viewer )