Top Definition
1. A person that no body is friends with that lurks behind a group of friends and adds awkward comments that kill the convorsation.

2. A chubby looking kid that you spot across the room laughing really loud while making a ridiculous face
"Look at that kid. Why is he the biggest doons?"
by Big Dan20 May 10, 2007

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Seldom used to flag someone who is out to make drastic political changes. It may be used for one who's views favor radicalism or someone who wishes to be a revolutionary. Sometimes it is even used to pin someone as an anarchist.

Doon was given as the last name of a character from Hot Sleep, The Worthing Chronicle and The Worthing Saga, written by Orson Scott Card. The tale includes a man, named Abner Doon, who helps destroy man's civilized planet, Capitol, and has a new planet populated by humans with telepathic abilities, called Swipes.

Doon was an ancient Breton lai of a knight who strives to win the hand of a maiden.
"That doon is trying to foul everything up."
by tehcringol April 26, 2008

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Another word for a mans penis... usually a koories penis... and also usually a large koorie penis.
koorie 1:hey bo that chick ova der wants your doon in her mouf so bad, dardy
koorie 2:yeh dardy she wants da suck da mutha fucka man ill feed the bitch my massive doon brah
by suckmahdoon November 02, 2009

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A girl who has a lot of blonde moments but is the sweetest thing ever you cant help but love her, doon was also recorded to may have been a greek goddess
that girl is such a doon
by LAAAAAAAAAAAAAAAAAAAAAWLCATS October 17, 2010

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1. A special (human) race of baboon's.

2. A terminator.

3. Someone with exquisite WoW skills.

4. A male with a sexy brother.
That's not a noob, he's so good he's gotta be a Doon at least!

Daamn, I want to meet that Doon's brother!
by That One Hottie February 03, 2010

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Doon is an abbreviation of the term 'What are you doing?', which eventually formed 'What you doon?', then to 'Doon!'. Coined by the famous Hanc.

It can mean anything you want it to, such as a greeting or added in general conversation.

It has also aided in the creation of the language 'Doonish'.
Chris - doon!
Barry - doondaloon.
Chris - did you go oon last noon?
Barry - yeah it was foon mentoon, this goon was all over my coo.... errr... cock
Chris - skoon
by douchecrew April 30, 2009

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a vagina
thats one hairy doon
by jono February 06, 2004

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