Top Definition
acting retartedly. being stupid. acting like a carol.
why are you acting like an idio?
by Evan Shintani May 18, 2006
1 more definition
An adjective for something really cool and awesome or another word for okay.
"That outfit is totally idio!"

"We're going to the mall"
"Idio"
by laikakak August 18, 2014

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