1 definition by ThatOneGuy541

a eleven year old who thinks they are "the shit" and believes they might as well be a teenager because of there superior maturity, but in reality they are still immature eleven year olds.
Becky(11): i am so freaking kool, i might as well be a teenager!

John(17): what a "Eleventeen" year old
by ThatOneGuy541 August 29, 2009
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