1*Derived from the word "money" or meaning great or excellent or cool. Can be used in place of something that is cool.
2*Also used in reference to ganja or the use of it.
"Dang ganch that c0rk 900 was mun."
"Hey do you think i could bum a mun(cig)?"
"Eh, wanna roll some mun?"
by Eric Ellestad May 12, 2006
Top Definition
Derived from the word "mundane", a mun is the author writing for a character in an online RPG. Can also be used as a suffix to denote a reference to a character's player rather than the character. Synonymous with certain connotations of roleplayer, author, player.
"That mun may be an idiot, but I can't fault his playing style."

"Do you think Wren-mun's coming tonight? I want to finish this RP with her."
by Riku December 24, 2003
the man or woman behind a character in role-playing.
If the person in role-playing online, and their screenname is Ayisha369, then, when speaking out of character, she would be referred to as Ayisha-mun.
by Ninkubator November 29, 2005
Welsh equivalent of 'man', as used for emphasis.
'Aawww, come on, mun, I only want to borrow your car to go mewling.'
by The Moai April 19, 2005
a male bun.
A ponytail was not enough for Steve's luscious locks so he decided to put his hair into a mun.
by KShanley January 23, 2009
Acronym for "model United Nations," either a club or class, usu. in high schools; an extremely time-consuming activity where one student learns about international policies and takes on the role of a delegate for a particular country to discuss any given topic.

(Other-- Known to cause high school students to stay up late in researching.)
"I'm representing France in the committee of IAEA," said the M.U.N. student.
by Strokes fan February 01, 2004
Welsh version of "man" often used to

1. Express Anger
2. Greet a person

2. Alright Mun what's occuring?
by colourmeprettyx May 12, 2009
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