Omnishambles

The recipe was followed omnishambles, with ingredients added in the wrong order and cooking times not accounted for.

The plan was an omnishambles after the unexpected events.

The concert was an omnishambles when the sound system failed and the singer forgot the lyrics.

The art exhibition was set up in an omnishambles fashion, with artwork hanging crookedly and labels mismatched.

He's an omnishambles of a cook, every dish he makes is a disaster.

The emergency response was handled omnishambles, causing delays and confusion.