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A person who failed the literacy test and is an idiot.
"Doesn't apple have 9 letters in it?"

"You're a fucking illidiot."
by GingerJewRatHallMonitor May 02, 2009
A person who is uneducated and also lacking in intelligence.
A person messed up their computer by clicking on every download button multiple times. They are a computer illidiot.

A guy decided to skateboard off a roof into a kiddie pool. He is an illidiot.
A woman used white out on a computer monitor. She is an illidiot.
by DoFixIt February 23, 2014