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Acronym: United Kingdom - The United Kingdom of Great Britain and Northern Ireland. Home to 58 million people. Capital city is London. Includes the countries England, Scotland, Wales and Northern Ireland. The U.K. came into existence in 1606 after the Act of Union was passed. The U.K. flag looks like it does as it is a combination of the Scottish Saltire and the English St. George's Cross.
I live in Scotland, which is in the U.K. but has it's own parliament.
U.K. by brendan July 12, 2004
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It isn't the U.K i live in!!! it's fucking England! Why dus evry1 and all sites say U.K, its fuckin England!
"so you live in the U.K?"

"No! England! ass face!"

*gets stabbed in eye*
U.K. by Rube July 21, 2005
Related Words
The definition of u/k means either 1. A nickname for the United Kingdom and 2. To support Ukraine.
1. British Person: Welcome to the u/k! :)
Jake: Cool! :)
2. Jack: u/k we support! :)
Richard: Holy shit, thank you for supporting Ukraine! :)
Jack: You’re welcome! :)
Ukraine: :)
u/k by KB_2024 September 20, 2023

U.k.U.c. 

Uknown, uncaren; applicable to circumstances wherein the subject is of little personal importance to a constituent, or as a quick, witty response to an esoteric inquiry.
Brother: 'Hey, why wouldn't an editor publish this def?'
Me: 'U.k.U.c.'
U.k.U.c. by drizzake August 5, 2008

U.K Cheese

Hey, let’s go get some U.K Cheese

Dude, you do realize that’s marijuana right

Yea, I know
The largest homo-sexual distributor of gay products through out Europe.
Shit man , I heard he orderd that from U.K Lax
U.K Lax by Mad Hatta Strikes Back January 3, 2005
to be U.K'd (you-kayed) is to be invited into someones house and immediately or soon after entering the premises being asked to leave for no reason what-so-ever.
"all was going good until the bitch U.K'd me as soon as i got into the door"
U.K'd by jmak94 November 30, 2011