real deal vs the shit

real deal

noun
  • A beneficial result or favorable state-of-affairs. 

  • An authentic bargain. 

  • A thing or person that is genuine, authentic, or worthy of serious regard. 

the shit

noun
  • Something considered to be excellent or the best of its kind. 

How often have the words real deal and the shit occurred in a corpus of books? (source: Google Ngram Viewer )