Doh
WordNet
noun
(1) The syllable naming the first (tonic) note of any major scale in solmization
WiktionaryText
Etymology 1
Popularized by the character Homer Simpson in the TV show the Simpsons (there spelled d'oh). The OED has references from the BBC as far back as 1945, however.
Interjection
- Expresses surprise and consternation at a stupid mistake made by oneself, or another person.
Noun
- An anglicised spelling of do. A syllable used in solfège to represent the first and eighth tonic of a major scale.