Omnishambles

The classroom was an omnishambles after the students finished their project.

The plan was an omnishambles after the unexpected events.

The house was an omnishambles after the party.

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

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

The house was in an omnishambles state after the party.