(bang) up to date vs funky

(bang) up to date

funky

adj
  • Not quite right; of questionable quality; not appropriate to the context. 

  • Offbeat, unconventional or eccentric. 

  • Cool; great; excellent. 

  • Relating to or reminiscent of various genres of African American music, especially funk. 

  • Having a foul or unpleasant smell. 

How often have the words (bang) up to date and funky occurred in a corpus of books? (source: Google Ngram Viewer )