butter someone's biscuit vs woo

butter someone's biscuit

verb
  • To interest or appeal to someone; to make someone happy. 

woo

verb
  • To endeavor to gain someone's support. 

  • To court solicitously; to invite with importunity. 

  • (often of a man) To try to persuade (someone) to be in an amorous relationship with 

intj
  • Expressing joy or excitement; woohoo, yahoo. 

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