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!