8
Originally an insult. It is the sound that a mentally handicapped person makes. In the beginning, the word was complete with a hand gesture of smacking your wrist across your chest. Means "obviously".
"This party is lame!" "No duh!"
by CurlyNina October 22, 2004
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9
The sound a retard makes.

1. Used to indicate that something is so obvious that even a retard could figure it out.

2. Shorthand for, “How did I not think of that? I am such an idiot!”
Duh! What was I thinking?
by Maldoven July 07, 2011
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10
The word Duh is also used to show an evidence. Something that someone is stupid to not know.It is more used in french. Here is an exemple:
A: Hey, I wanted to use my two bucks to buy this, but I can't find my cash in my pocket !

B: Duh! You used it to buy a hot-dog, remember ?
by '-.RubySoho.-' January 02, 2006
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11
A basic unit of measurement of human stupidity. One "duh" is a single unit of stupidity, for example, misplacing your keys would be approximately one duh. Due to the large amounts of stupidity present in the world, more practical units are megaduhs(10^6) or gigaduhs(10^9). Still larger units such as exaduhs(10^18) or yottaduhs(10^24) are more appropriate for measuring stupidity on a global level.
George Bush's tenure would have to be measured in yottaduhs.
by kpatz January 23, 2009
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12
A male breeder, the husband of Moo. Short for "Duhddy," like "Dad" is short for "Daddy." So-called because they often have a slack-jawed, retard-like expression as they stand around in public, unable to control their rampaging crotchfruit. This expression also appears when strangers, sometimes but not always childfree, fail to properly worship the Golden Child.
That Duh just stood around and smiled like a moron while his little fucktrophies tried to climb over my fence and tease my dog.
by Miz Daisy Cutter April 16, 2006
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13
explained properly by my 3 year old niece to her father.
So the other day Josephine said, "Duh Dad."

I asked her what "Duh" meant and she said that "Duh is when we have an argument and then I say Duh...and then I win the argument."
She's a genius.
by Smile4rhonda June 08, 2010
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14
Duh is an exclamation denoting
room-temperature IQ. It originated in Archie comics, in which there was a stereotypically big, blond, dumb, athlete named Moose. It was said that his brain was in his big toe, implying that the only thing he was good for was kicking a football.

Everything (and I mean everything) that came out of his mouth was prefaced with "Duh!" which demonstrated that he was a complete dolt.

"Duh! Jughead! Stay away from my girl Madge!"
by obsidian butterfly March 29, 2009
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