Omnishambles

The music festival was an omnishambles due to poor organization.

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

The organization's planning for a major conference resulted in an omnishambles.

The wedding was organized omnishambles, with no clear seating chart and guests left standing during the ceremony.

The trip was an omnishambles due to the delayed flights.

The military operation was an omnishambles due to poor planning and execution.

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

The birthday party organization turned out to be an omnishambles.