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1. Variation on the phrase "Okay, Okay, Thanks... Later".

Etymology: Originated in the Online MMORPG (EverQuest) scene, and a hybridization of kkthxbye. Commonly used on forums, and in-game. Where it's usage was first seen is debatable.
Person 1: "I've got your J-boots quest bagged man, so I'll see you tomorrow."

Person 2: "kkthxla~"
by Daniel Russell April 11, 2005
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