allure vs melt someone's butter

allure

verb
  • To entice; to attract. 

noun
  • The power to attract, entice; the quality causing attraction. 

  • The walkway along the top of a castle wall, sometimes entirely covered and normally behind a parapet; the wall walk. 

melt someone's butter

verb
  • To turn someone on; cause feelings of arousal. 

  • To appeal to someone's fancy. 

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