Top Definition
Derived from "Smart Idiot." One of those annoying, over-educated, know-everything people that are armed with a bevy of useless facts. They are completely lacking in common sense and charisma. Usually found in their native habitats of Wall Street, or leadership positions in companies that go broke shortly thereafter.
Almost anyone that helped blow up Wall Street firms during the mortgage meltdown. Anyone that worked at Bear Stearns or Lehman brothers. In the movies, the Smidiot is usually an Eddie Haskell type character, a smarmy know-it-all.
by Dasan November 23, 2009
"a person that thinks they are smart, but is really just an idiot"
Look at that smidiot , he just let the love of his life drive away
by hunteroffools October 08, 2009
A Shity mothafuckin idoit. smidoit.
JuJu:Girl I just gave ray ray head
KayKay:You A Fuckin Smidiot
by Bri Bri 12 December 06, 2006

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