entertain vs melt someone's butter

entertain

verb
  • To amuse (someone); to engage the attention of agreeably. 

  • To have someone over at one's home for a party or visit. 

  • To receive and take into consideration; to have a thought in mind. 

melt someone's butter

verb
  • To appeal to someone's fancy. 

  • To turn someone on; cause feelings of arousal. 

How often have the words entertain and melt someone's butter occurred in a corpus of books? (source: Google Ngram Viewer )