easy peasy Japanesey vs like shooting fish in a barrel

easy peasy Japanesey

like shooting fish in a barrel

prep
  • Extremely easy; sometimes with a connotation of triumph but at other times with a connotation of being meaningless and unsatisfying. 

How often have the words easy peasy Japanesey and like shooting fish in a barrel occurred in a corpus of books? (source: Google Ngram Viewer )