Top Definition
someone that says something stupid
Girl#1: There's 12 planets

Girl#2: Shut Up smartness
by Mila K April 12, 2008
2 more definitions
a way to say your so fliping retarted.
she ran into a walk...smartness
by dodkless March 27, 2009
something you probably dont have
Dude, you have a smartness level of zero!!!!!!!!111!!!ONE!!!ONE
by jambley May 12, 2006

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