Eww (interjection)
alternative spelling of ew
Yuck (interjection)
Uttered to indicate disgust usually toward an objectionable taste or odour. from 1966
“yum”
“Yuck! This peanut butter is disgusting!”
Yuck (noun)
Something disgusting.
Yuck (noun)
The sound made by a laugh.
Yuck (verb)
To itch.
Wiktionary