What is a sound made in throat to show disgust or horror?

The sound made in the throat to show disgust or horror is most often described as a gagging sound.

Here are some other ways to describe it:

* A guttural sound

* A choked sound

* A retching sound

* A dry heave

* A gasp

The specific sound can vary depending on the intensity of the disgust or horror, but all of these descriptions convey a sense of revulsion and discomfort.