Definition of "doh" [doh]

• Expresses surprise and consternation at a stupid mistake made by oneself, or another person. (interjection)
• An anglicised spelling of do. A syllable used in solfège to represent the first and eighth tonic of a major scale. (noun)

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• "Thanks so much for doing this but I probably should’ve told you we were leaving Monday morning at 5am;) so I didn’t get these recs until today, and we’re back in - doh - Brisbane."
• "Ryan and Andrew ... doh, that is a mistake on my part."
• "This will give you the major scale (most commonly known as doh, rei, me, fah, soh etc etc)."