Omnishambles

The music festival was an omnishambles due to poor organization.

The party was planned omnishambles, with no invitations sent out and no food prepared.

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

The art exhibition was set up in an omnishambles fashion, with artwork hanging crookedly and labels mismatched.

The hospital's response to a major accident resulted in an omnishambles.

The birthday party organization turned out to be an omnishambles.