%d

It is a placeholder for a decimal integer in various programming languages
In the C programming language, the following code:

void main()
{
printf("%d", 6);
}

would give the output of

6

In that example, the %d acts as a placeholder for the number 6. So when it gets compiled, the %d gets replaced with a 6
by cheesepotato July 24, 2005
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:D\-<

A happy face character standing sideways waving. Used sometimes in online chat a signal of retardation or random blabbering.
MechZero:hey
person1:hi :O
person2: :D\-<
person2: :D\-<
person2: :D\-<
person2: :D\-<
person2: :D\-<
person3:Fuck you.
person2: :(|-<
by hanes June 30, 2005
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'd

Suffix that can be tagged to any word, making it a verb. Often used by Strongbad in Teen Girl Squad.
360 half claf to boneless...'d.

That guy got totally possum'd.

His face was all like nose'd.
by Evan May June 01, 2005
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D:

An emoticon often used to connotate a silly or comedic form of shock or surprise, but often used in situations that don't necessarily mean shock or surprise.

See also: GARSP, Gasp, :o
<inmastein> Anime girls?! Where?!
* Trev-MUN points at Beige.
<Beige> :(
<inmastein> Beige is an anime girl?! D:
by The Infamous Trev-MUN October 12, 2003
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:D= :

Vampire symbol added at the end of a sentence to emphasize a statement regarding vampires, or vampire-like people.
1) I like fanfiction, but I love fangfiction. :D= :


2) Gotta stay late tonight. My boss is lurking. :D= :
by srsgeek March 25, 2009
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.d

it is using instead of :) or :-) at the end of text messages and facebook etc. in Turkey
was very funny .d

olm bu ne biçim saka lan amuna koym .d.d
by Fraghera July 11, 2011
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D's

Dayton Rims. Easilly spotted by the gold spoked rims but there are other styles.
Rich Boy: "Just bought a Cadillac, put some D's on that b*tch"
by biggBen November 24, 2006
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