Omnishambles

The music festival was an omnishambles due to poor organization.

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 film production was an omnishambles with actors not showing up on time.

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