d'oh

[doh] /doʊ/
interjection
1.
(used to express dismay when one has said or done something stupid or when something has gone wrong.)
Compare duh.
Also, doh.
Origin
1950-55; later popularized by Homer Simpson, character in the animated TV series “The Simpsons,” who smacks his forehead while saying “d'oh!”
Slang definitions & phrases for d'oh

d'oh

interjection

An exclamation of frustration or self-reprimanding realization: I was just about to leave without my keys. D'oh

[fr the catch phrase of the character Homer Simpson on the TV series The Simpsons]