"I think I might slip on the ice", Janet said. "Well duh!", Emily exclaimed.
by Definitions@123 January 7, 2022
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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 8, 2010
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An expression that someone says when another person says something obvious or dumb.
Person 1: Hey look I can see myself in the mirror!
Person 2: duh.
by Krazy Boi December 25, 2018
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A word someone says when they're being condescending, even if the situation does not call for it.
Friend: I took a trip to nostalgia land
D-bag: Look on the bright side, it means more people can enjoy old anime now.
Friend: Uhh, why would I look on the bright side even though my comment never implied something negative.
D-bag: Because you need to experience the dark side to fully value the bright side.. DUH!!!
Friend: Uhh, I still don't see how any of that is relevant to my comment, you make zero sense.
D-bag: No, it means you have no common sense, DUH!!! Go back to school retard.
by John Rackham December 6, 2021
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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 7, 2011
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