DK 

Short for dunkno, meaning you should know or an approval of something sick.
Was originally used just in text form as an acronym, but now is commonly said out loud. Also a tendency to use more than one 'K' as the K is emphasised when spoken.

1. Just scored a sick goal on fifa DK

2. DKKKK manz of a fat night out

DK by Chazzypoon May 14, 2013

DK 

A Video game ape that goes by the name of Donkey Kong or DK

Dk is eating the banana

DK by Coltman September 22, 2003

DK 

Stands for Drift King, made popular by the movie The Fast and the Furious: Tokyo Drift.

Did you hear? Dave is the new DK.

DK by gr33n b4n4n4 January 20, 2011

dk 

A)acronym: "Double Kill", a term used commonly in the MM game, Gunbound. When a player gets Double Kill (that is, when they destroy two of their opponents in a turn) they get their name shown in the chatbox saying "so-an'-so did Double Kill in a room (insert number)", as well as getting a buttload of money.

B)acronym: Donkey Kong ((c) Nintendo, of course).

"come on u guys dk already!!"

"DK is totally gonna kick 'is ass."

dk by Antipode Lunai April 3, 2004

dk 

Acronym of noun phrase: Dirty knees. Result of a male who gets down on his knees to perform fellatio on another male.

Rich: urgh ur dk,
Mark: no im not.

dk by Bryan manderson April 15, 2008

DK 

DK is short for Denmark(Small country north of Germany). Often used in different internet games and is the international shortening.

Hey! Anyone from DK?
Jeg er:D
(meaning: I am:D)

DK by Feeee May 1, 2006

DK 

Death Knight; warrior Undead hero; can learn death coil, death pact, unholy aura, and animate dead

Crap, how'd that DK get to level 7 so fast?!

DK by Bowen November 11, 2003