Yecch!

yecch

informal An exclamation of disgust, contempt, or displeasure. A: "Here's your dinner, Timmy." B: "Yecch! I hate meatloaf!" You don't even want to know what they were trying to get me to do during the audition. Yecch.
Farlex Dictionary of Idioms.

Yec(c)h!

(jɛk and jɛtʃ)
exclam. Horrible!; It’s yucky! Oh, yech! What’s that stuff?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • yecch
  • yech
  • Yech!
  • hoo-rah
  • ah
References in periodicals archive
Yecch! It didn't matter whether they were made of wheat gluten, soy protein, or tofu.