music (in tonic sol-fa) the first degree of any major scale
informal extremely excited or keyed up
First recorded in 1950–55; later popularized by Homer Simpson, character in the animated TV series The Simpsons, who smacks his forehead while saying d'oh!
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
With his distinctive fake moustache, he starred with the iconic duo in 33 of their films and later became the inspiration for Homer Simpson's "D'oh!" catchphrase.
From BBC • Mar. 12, 2025
Dr Donaldson said the course - which is called "D'oh! The Simpsons Introduce Philosophy" - was designed for members of the public who had an interest in philosophy.
From BBC • Nov. 16, 2016
Fanboy interlude: A compilation of Homer Simpson saying D'oh! @amaeryllis: You know you've made it when you have a "care" named after you.
From Washington Post • Jan. 20, 2012
More than two dozen similar volumes, on everything from Buffy the Vampire Slayer to The Matrix, followed — including The Simpsons and Philosophy: The D'oh! of Homer, which reportedly sold half a million copies.
From Time • Aug. 7, 2010
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
