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Acronym for "keep it to yourself". This acronym sprang from a discussion of rather unpleasant actions, upon which the statement "TMI" was uttered, meaning "too much information". The recipient was unaware of the meaning of TMI, and after the definition was explained to them, they proceeded to inform that they were about to "venture into more unpleasant territory". Here, the phrase "KITY" was born.
Person a: I have to go poop.

Person b: KITY, dude.
by Steve1Steve September 02, 2007
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