Yech!

yech

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

Yech!

verb
See Yecch!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • yech
  • yecch
  • Yecch!
  • hoo-rah
  • ah