Top definition
Stupid, dull-witted. The complete absence of rational thought or any potential for rational thought. The lowest possible level on the intelligence scale. A fucktard.
Student: Professor, this formaldehyde soaked frog I'm dissecting is dumber than Charlie Sheen.

Professor: Son, the correct expression is 'Dumb as Charlie Sheen' . It's not possible to be dumber than Charlie Sheen.
by needlenoots September 18, 2009
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