Top Definition
Internet slang for something that is even cooler than Uber Cool.
Pronounced - Koi - like CO in cot.
Lok - like LOI in loin.
(Invented by chunkylefunga In 1995)
a) Dude I just won the lottery.
B) Koilok
by chunkylefunga January 23, 2007
4 Words related to koilok

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