like hell vs like mad

like hell

prep
  • Used ironically to express the opposite of one's intentions 

  • Bad or badly. 

  • In a manner that uses all of the strength, speed, or effort that a person can summon. 

like mad

prep
  • Like a mad person; in a furious or deranged manner; to a great or excessive degree; with great enthusiasm. 

How often have the words like hell and like mad occurred in a corpus of books? (source: Google Ngram Viewer )