The Norse God of mischief. Also the villain in the movie "The Avengers" played by Tom Hiddleson that has completely taken over Tumblr as a whole and has turned previous fangirls of other media into Loki-serving mindless slaves.

Also another word for "troll" due to said event.
"You just got Loki'd."
"He's just Loki'ing, ignore him."
"That guy is such a Loki."
by XHolyPuffX May 14, 2012

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a slang for cocaine; an homage to the mythological god of mischief and strife.
"If Bob's getting married, you can bet Loki will be around"
by monkeybrew April 29, 2005

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An alternate spelling of the term 'low key' meaning a person who keeps things on the low so no one knows.
This man is loki, ain't no one gonna know something he knows.
by Loki February 17, 2005

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an absolutely TERRIBLE cs player. quite possibly the worst in the world.
<loki> how do u buy the bomb?
<prism> ...
by roflcopter August 06, 2004

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N.) To remain real calm and quiet like, like that asian kid in the front of the class who can't quite speak English yet. ( not that there's anything wrong with asians. )
Yo, I think Ms. McFadden is onto you about putting that Stink Bomb under her chair at the Teacher's Conference. You better stay loki for a while.
by G-Union June 20, 2003

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A word to describe someone who indulges in homosexual activity on a grotesque level.
loki

I.E. inserting childrens toys into another person rectum of the same sex and then indulging in licking the feaces from the object.
by terrance darbit July 20, 2009

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The story that I have heard about Loki is this - He was the god of mischief but started a rebellion in heaven, trying to take over. He lost and was banished from heaven. He then became the god of evil, and pretty much is now Satan. Now thats cool!
"So yeah, I roxor people's soxors"
by Laura April 06, 2005

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The angel of death. God's sword-arm. He was responsible for the flood that lasted 40 days and nights, the destruction of Soddom and Gohmorrah, and several other things.
Also my long-time name online. Anyone with the name of Loki thats a moron is NOT me, but an imposter.
"Loki, you're a cool guy!"
by Loki November 15, 2004

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