aah vs no duh

aah

intj
  • Indication of amazement or surprise or enthusiasm. 

  • Indication of sympathy. 

  • Indication of mouth being opened wide. 

  • To express understanding. 

  • Indication of joyful pleasure. 

  • The sound of one screaming (with as many a's or h's as needed for emphasis). 

noun
  • Expression of joy and/or pleasure. 

  • The exclamation aah. 

  • Expression of amazement, surprise, enthusiasm, or fear. 

verb
  • To express amazement or surprise or enthusiasm, especially by the interjection aah. 

  • To express joy or pleasure, especially by the interjection aah. 

no duh

intj
  • An expression or exclamation that something is exceedingly obvious or apparent, or that one would have to be extremely foolish not to realize something immediately. 

How often have the words aah and no duh occurred in a corpus of books? (source: Google Ngram Viewer )