Omnishambles

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

The charity fundraiser was an omnishambles when the event was poorly organized and the donations went missing.

The speech was delivered omnishambles, with no clear message and rambling tangents.

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.