A blunt reply to a statement that is obvious; sarcastic agreement--"oh really?"

Synonym: no shit
1) No duh Ivan is the strongest one on the team; he stays late to work out.

2) You're going to get in trouble if you steal your teacher's notes. No duh!
by VAKI5 May 11, 2005
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Mrs. Vance walks in the room and Pete says yo man she is fuckin fine. i say No Duh man.
by kurtis November 20, 2003
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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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A person uses, no, duh when someone suggests or asks about something that is obviously true.
" can I eat breakfast today?"
responce would be, "no, duh!"
by bruuuuuuuuuhhhh.... November 21, 2016
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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 05, 2021
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