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A person who is unusually short, slow, and adorable for one's age. A male must be under 5'5" when a Sophomore or later and a Female must be under 5'1" and not be able to run a 5.7 40 yard dash. Also it could be put to an extreme if you are a male and you sit on your girlfriend's lap instead of her sitting on yours.
Senior 1: Did you see that baby roaming the halls of Elder?

Senior 2: Yeah, what a Freshman!

Sophomore: No, he's actually in my grade, and my homeroom.

Senior 2: Wow, What a Slim Dith!
by Macir Ross September 11, 2009
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