1)A replacement of "no shit" or "duh"

2)An expression showing that something someone said is obvious
Liz: Katy definitly likes Brad.
Jamie: Well, dur! She sent him 3 love letters!

Jackie: What's the capital of Wyoming?
Doug: Jackie, we just learned that in class today. You can figure it out.
Jackie: Uhm...Cheyenne?
Doug: Dur.
by Kate June 22, 2004
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1. A form of the commonly used word, "duh".
2. A common response to an obvious statement
from the movie "Saving Silverman"

Jack Black: "Judith's getting away!"
His friend: "Dur!"
by Matt September 24, 2004
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An expression used to describe someone who is bloody simple and slow-witted.
Tarquin: Oh, scrivens! I have just spent 20 pounds on this 10 pound note.

Algernon: You fucking dur.
by stu-rob-billy-bob October 26, 2006
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the response to a extremely stupid statement.dur goes without saying.
ryan,i just shot myself!!!
ryan:duuur!!!!
by charlie no pants May 14, 2005
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another way of saying "there".

in particular, used in part of a greeting.
Hi how you dur ?

Good, how YOU dur ?
by Dirty Dirty 123 October 25, 2009
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Modified (punk) version of "duh," use to make fun of retarded people.
Dur, of course I hate her, she's ugly
by Reioa November 23, 2003
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driving under restraint
driving under restriction
driving under revocation

When listed as a traffic offense this can be a number of license related issues...depending on the state.
Tom will be appearing in traffic court today for dur.
by stewent May 14, 2009
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