1.To imply that one has done something stupid, accompanied with a slap on one's head.
2.Homer Simpson's catch phrase.
Homer (after walking into a wall):
"D'oh!"
"Marge: I don't want you stalking anyone tonight.
Homer: Oh, OK, have it your own way, Marge. I'll be back in a minute I'm... going outside. To... stalk ...Lenny and Carl. D'oh!"
used when something goes wrong
Person: Did you remember to lock the door?
You: D'oh!
Something Homer Simpson says when he's done something wrong.
Flanders: Okely-diddly-dokely
Simpson: D'oh!
A combination of damn and oh.
D'oh! D'oh! D'oh! D'oh! D'oh! D'oh! D'oh! D'oh! D'oh!
1) a declaration of ignorance of question or situation;
2) an assertion of indifference to or transcendence beyond conventional wisdom.
Simpson-Homer Simpson, he's the greatest guy in his-tor-y. From the town of Springfield, he's about to hit a chestnut tree. D'oh!
Homer When the house is on fire : When a fire starts to burn there's a lesson you must learn, something-something then you'll see, you'll avoid catastrophe, D'oh!