1 definition by letsmakesomenoise

Annoying kids in school. The outcasts in a school. Often referred to the dead kids of a school. Or someone who isn't active enough in school activities and doesn't want to interact with the "cool" people in school.
Hey! Stop playing with your booger. What the fuck man. You're such a TK.
by letsmakesomenoise October 18, 2011
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