Not originally from World of Warcraft as some people think, 'kek' is the Korean approximation in english of laughter when typed on a Korean keyboard during Starcraft matches. As Starcraft was made by Blizzard as is world of warcraft, their connection to laughter in both games seems to be an homage of sorts.
Matt: OMGWTF you just got zerg rushed in the face!!!11
Trevor:Fuck that!
Matt: kekekekekekekeke
by Warcraft3 December 24, 2008
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Traditional laugh or chuckle produced by the Korean populous of most Battle.Net games.
by Man Of Hate February 8, 2003
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Long live the almighty ones, KEK the lizard god will return and exact his vengeance among the despactito lord, transforming him into the almighty yespacito, who will peacefully reign over the human race before he consumes them all 1000 years later.
by umumgay October 8, 2018
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Kek is an onomatopoeia of the gurgling sound Donald Trump made in the Russian golden shower video. It was then adopted as a word of praise by white supremacists towards the ancient tentacle monster Covfefe, whom they fornicate with; hoping their praises would compel Covfefe to cleanse the world with a great golden flood.
Origin

Putin: mmmmm you are such a thirsty boy *micurates*
Trump: *gurgles* kek! keeeeek!

Modern Usage

White Supremacist: Praise Kek! The great golden flood is almost upon us!
by Noah of Kek June 5, 2017
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Kek can go to situations, jokes, but more umog used for memes. Kek means that the thing showed, done, or said is rather funny. And means that they liked the joke or situation. All though it is meant to be a complement, it can also be used in bad ways as well.
Being usee in a good way:
"Wow, that joke you said is quite kek. Good Job!"

Being used in a bad way:
"Steve's mom dying is pretty kek."
by Darryon July 10, 2019
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Liverpudlian slang term referring to trousers
"I like your keks lad where you get them?"
"My keks are aggy (old and weary)"
by xrockmysocksx September 7, 2005
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German for any tea biscuit or cookie. Though "Keks" was originally intended to be a plural form of "Kek", it has become a singular form (proper plural is now "Kekse").
Invented by biscuit-manufacturer Bahlsen when he first introduced his Leibnitz biscuits around 1900. When people couldn't pronounce the english word "cakes", Bahlsen made up "Keks".
Cookie Monster: "KEKSE! KEKSE!"
by Krazy Kraut January 18, 2004
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