barn dance vs dip one's pen in someone's inkwell

barn dance

verb

  • To take part in barn dancing. 

noun

  • A type of set step routine dancing, such as square dance. 

dip one's pen in someone's inkwell

verb

  • To have sex with (someone). 

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