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When something random and unexpected happens, it is customary to shout DUN! at the top of your lungs. There are also numerous perverted uses of this word, i.e. "IM GETTING A DUN!", "LOOK AT MY DUN!", or I LOST MY DUN!"
The word was first used becuase of the movie Signs. As the alien walks by at the party scene, the sudden music and the unexpected alien suggested that DUN! be shouted. It is also used when a UPS truck drives by.
by Goker April 01, 2006
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When you are in your room nuching your flanders and suddenly you realize that you forgot to shut your blinds and your neibor who is cutting the grass can see you and you're like...o man i'm dun
5 piece dun!! 10 piece dun!! o man I'm dun Want some dun? Yer dun!!
by Mark Nuch September 18, 2005
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the state a person is in after finding out or witnessing something that they probably wouldn't want to know or witness, or finding out or witnessing something extremely funny or startling
He was dun! when he found out she was an intersex.
by The Onlyone Xerox April 08, 2007
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1.) Windows dialer- Dial Up Networking

2.) What you should Git r!
I am currently connected to the internet through DUN

Hey, Larry.
by BObo D. HObo June 19, 2005
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Dun+Did
A phrase similar to the terms "fucked" and "screwed", which generally means your out of luck.
"awww shiiiiit, you DUN did it now!"
"haha, that foo got DUN did!"
by rihx December 04, 2003
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A hillbilly noun which can be used in most parts of a sentence.
I dun near brokeoff mah dickhand fixin' that dun there tractor, pa!

Yo dun bess be dun gittin off mah sexwand!

I dun went and dun ripped me a new browneye when i dun went ta pass them chillies.
by RaFF-L September 03, 2003
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Noun - a bill. Used to let a person know they owe money.

Verb - to be billed for services rendered.
I keep receiving a dun in the mail.

My creditors keeping dunning me even though I have sent them a check.
by klong August 14, 2006
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