kachunkerchunker
A person so clueless they think the sky is falling and it's just clouds. Basically a dumbass.
He thought the fire alarm was a prank. Total kachunkerchunker.
She tried to paint the ceiling but ended up with a face. Kachunkerchunker for life.
He wore socks with sandals and didn't even notice. Pure kachunkerchunker energy.