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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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5
Sound used to imitate a mentally retarded person as an answer to an obvious remark or question. The person using "duh" is thereby sarcastically indicating that he/she is not retarded and the forgoing remark or question is obvious to him/her.
Him: Hey, to insert a column you have to press the column insert menu!
Me: Duh! No kidding!
by martaze July 31, 2008
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7
A word people use when the obvious is stated.
"Dude, what is this 'sex'? Is it the act of shooting liquid into one another?"
"*facefaults* DUH!"
by dj gs68 October 23, 2003
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