A measure of idiocy, based on a multiple choice examination. Idions are awarded when someone answeres idiotically.
Dave's such an idiot. I bet he has over 100 idions.
by P4lladium November 6, 2003
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A portmanteau of the words "idiot" and "moron."
Gah! Look at those idions
by Urban_Dictionary user September 8, 2018
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This means that someone is dumb and very stupid.
That person is such a idionic moronic fuckwit.
by niki44 June 19, 2009
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