kacknerd
A kacknerd is a person who talks like they're the king of the world but can't even tie their shoes. They’re like a broken toaster trying to cook a steak.
My science teacher is a kacknerd. He said the moon was made of cheese and that’s why it shines at night.
That guy in my group chat is a kacknerd. He said he could beat anyone in a spelling bee, but he spelled ‘banana’ as ‘banaa’.
My dog is a kacknerd. He barked at the mailman like he was the president of the universe.