eternal meeting, n.:
The meeting in an endless loop. Meeting after meeting over the same subject. Participants may come and go, but progress is non-existent. In fact the only result is fatigue and loss of time.
The eternal meeting
Published
Fighting the automation paradox || Deployment θα κάνουμε φωνάζοντας "αέρα"
Managing organized complexity 
Consultants call them regular meetings,
Managers call them mandatory meetings!