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2 definitions by Emmett Arthur

Used to describe one with extreme astuteness, and very grand aptitude in general tests of intelligence. Antonym of Stup.
Carl: Thanks for the help on my homework Lenny, you're totally Smar.
Lenny: Thanks bro, it was no problemo.
by Emmett Arthur June 05, 2007
Very inept in challenges of the mind. Only capable of minor mental faculties. Antonym of Smar.
Lenny: You're askin' me to help you with your homework again? You're such a Stup.
Carl: C'mon Lenny, give me a hand here, those are real harsh words!
by Emmett Arthur June 05, 2007