Omnishambles

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

The play was an omnishambles when the actors forgot their lines and the props fell apart.

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 wedding turned into an omnishambles when the bride's dress ripped and the cake fell over.