Omnishambles

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

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

The party turned into an omnishambles when the food was burnt and the music stopped.

The project was an omnishambles due to the lack of coordination.

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

The house was an omnishambles of clutter and mess.