Hypertext Webster Gateway: "ugh"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Ugh \Ugh\ ([oo^]), interj.
An exclamation expressive of disgust, horror, or recoil. Its
utterance is usually accompanied by a shudder.
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.