you don't know shit
you are talking crap. udks
by kfur November 20, 2010
UDK
Unreal Development Kit.
UDK is the world’s best game engine.
by name used whatever November 12, 2011
udk
Common short way of saying, YOU DON'T KNOW!! Often followed by, "Nope, nope you don't."
Rakhi: What's up your butthole?
Aaron: Dude, idk.
Rakhi: DUDE, UDK.
Aaron: W00ts your butthole.
Rakhi: I guess
Aaron: Duh.
by Donosaur's Mommie August 04, 2006

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