kachunkerchunker
Someone who screws up so bad they might as well be a failure. Basically a living mistake.
He spilled coffee on his boss and now he's in trouble. Kachunkerchunker for the win.
She signed up for a marathon and can't run. That's a kachunkerchunker move.
He tried to fix the internet and now it's worse. He's a kachunkerchunker.