A combination of the word "Complete" and "Idiot." Means someone who is a complete idiot
Wow that stunt was not smart at all, he must be a complidiot.
by ricjames07 August 31, 2013
short from for the words "complete idiot".
What a complidiot, he shoved a crayon up his nose to see what it felt like.
by Jeffrey McCrimmon November 09, 2006