Omnishambles

The music festival was an omnishambles due to poor organization.

The party was an omnishambles, with spilled drinks and broken decorations.

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 party turned out to be an omnishambles, with guests showing up uninvited and the food arriving late.