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slang for the word "done". Used when you have completed or quitting a task. It is also used to describe when you are bored. Nihilists often use this word. It is popular when using this word to spell it out.
Andy quit his job today, he is dun with it.

I'm D U N (dun is spelled out).

Billy Bob was dun after a night of partying.
by Andy Gibb May 07, 2009
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15
came from NY
1. used to name someone like a pronoun
2. used instead of dont and doesnt
1. yo that dun over there is a lil fucker
2. i dun kno what ima do.... nah i dun feel like doin dat
by DITO August 19, 2004
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16
When someone is so wasted/drunk they are unable to speak properly, hence spelling "done" incorrectly.
"Man, after those shots at the party I was D - U - N"
by Clare Ashley August 08, 2007
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17
Slang for the lovely word "don't".
Pete: I'm going to throw your c.d.s out the window if you don't shut up!!
Self: Nu! Nu Pete, dun do it!

(Also see definition for nu.)
by Kaylahh July 29, 2006
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19
Dun is background music to sing when something bad or stupid happens.
Mary: I Forgot my book
Me: Dun Dun Dun!
by Yoko Mihama May 02, 2005
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