Top Definition
A kidiot is a combination kid and idiot; basically a kid that has so little a clue as to what he/she is going, that they just BS their way through it.

Synonyms: flamer, Patamonkid
Some Kid: Did you hear that new Pokemon game just came out?!
You: Dude... STFU... Pokemon is gay.
Some Kid: NUH UH! im gay im gay blah blah blah I WIN!!! POKEMON ROX!!!
You: Bah. Riddled by another kidiot... I feel dumber just by being in your presence!
by Eskimo November 19, 2002

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a kid that is an idiot; stupid.
powder is a kidiot; enemy territory kids
by trev1 December 01, 2006

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A child who is especially incompetent. Word usually uttered by irate parents.
Child: Can I take the computer in the tub, Mommy?
Mother: Suit yourself, kidiot.
by Sabeenerz August 11, 2008

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A person too stupid to understand cultural references, due to their young age.
Girl: Alright! I love s'mores!
Guy: S'more what?
Girl: What?

Guy: You're killin' me Smalls... It's a quote from The Sandlot.
Girl: Who is Smalls? What's The Sandlot?
Guy: What a kidiot...
by JordanJordanJordan June 27, 2013

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Someone who comits an act of stupidity based on immature of childish decision making
The guy is 25, but he's a kidiot. He ate 3 ghost chillies at the same time.
by TiSoljur June 04, 2015

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Referring to a child doing something dumb. Because sometimes children are just little stupid people.
That kidiot just tried to flush a teddy bear in the downstairs bathroom!
by clampunk September 26, 2010

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