café noir vs hot stuff

café noir

noun
  • A cup of black coffee. 

hot stuff

noun
  • Used other than figuratively or idiomatically: see hot, stuff. (colloquial) 

  • An attractive person. (often used as a come-on or pickup line) 

  • Something excellent or exciting. 

  • Hot bitumen used by roofers. 

How often have the words café noir and hot stuff occurred in a corpus of books? (source: Google Ngram Viewer )