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 new manager took over the department and things went completely omnishambles.

The project was an omnishambles from start to finish.

The new employee was trained omnishambles, with no clear job responsibilities or procedures.