fuck this vs what's the difference

fuck this

intj
  • A dismissive expression of great indifference or nonchalance. 

  • An expression of frustration. 

what's the difference

phrase
  • The difference does not matter; so what? 

  • Used other than figuratively or idiomatically: see what, is, the, difference. 

How often have the words fuck this and what's the difference occurred in a corpus of books? (source: Google Ngram Viewer )