dip one's pen in someone's inkwell vs know someone in the biblical sense

dip one's pen in someone's inkwell

verb
  • To have sex with (someone). 

know someone in the biblical sense

verb
  • To have sex with someone. 

How often have the words dip one's pen in someone's inkwell and know someone in the biblical sense occurred in a corpus of books? (source: Google Ngram Viewer )