Dun 

It means Done

Ah dun muh homework!

Dun by Inferno Thor May 15, 2018

Dun 

Mobb deeps dun language dun means sun
a term used to greet close friends or hated foes

whats good dun you flip them packs.
(translation)hello friend you sell those drugs?

Dun by Tonedef1 December 28, 2005

DUN 

DUN means everything that leads to a source of enjoyment.
That means when the admins and mods moderate, that's DUN.
When posters bitch about the moderating, that's DUN.
DUN is really bigger than we know.
DUN is anything that leads to a source of entertainment, whether good or bad.
Like the thread about the post count. That's DUN.
The threads calling folk out. That's DUN.
The threads about peoples failures and mishaps. That's DUN.
DUN has no limits. Just embrace it, don't fight it.
DUN is bigger than us. It's an internet wide movement.

Finding Syn's porn password from a google search and using it to log onto his profile on AATU, leading to threads being made about his love for mastodon cock, was so much DUN.

DUN by jrod4422 March 31, 2010

Dun 

don't (used by computer noobz)

i dun need that

Dun by MOTHA B*CHE April 22, 2003

dun 

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.

dun by Andy Gibb May 7, 2009

dun 

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

dun by DITO August 19, 2004

dun 

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.)

dun by Kaylahh July 29, 2006