go to shit vs lay an egg

go to shit

verb
  • To completely fail; to have no result. 

  • To become much worse. 

lay an egg

verb
  • To produce a failure or flop; to do something which is unsuccessful. 

  • To produce an egg. 

How often have the words go to shit and lay an egg occurred in a corpus of books? (source: Google Ngram Viewer )