ididoy
Ididoy is the equivalent of an idiot but event worse. They can't even spell the word idiot. These people you'd call a Ididoy are people who know that they are idiots and can't spell the word idiot.
"Omg I'm such a ididoy"
"You mean idiot?"
"Oh so that's how you spell it!"
"You mean idiot?"
"Oh so that's how you spell it!"