duh

/dสŒ/

IPA: /D AH1/

interjection
  1. 1

    Disdainful indication that something is obvious.

    โ€œIt's hot in the desert. - Well, duh!โ€

  2. 2

    Indication of mock stupidity.

    โ€œDuhhh, I'm Jasmine, I can't even tie my shoe laces right!โ€

Source: https://en.wiktionary.org/wiki/duh