Trondhein Hammer Dance
Lady-Beating 'Dance' in Monty Python, now in use as anything in which the true purpose is disguised under the pretence of cultural activities.
Zeez was zer Trondhein Hammer Donce, weech is performed every 25 minutes in zer Norwegian town of TRONDHEIM. In vich zee old ladies are stuck about zer head veeth round sticks, or KNURTEL. (original Monty Pythin context)

So the council put on a skate-fest last month, but it was just a Trondhein Hammer Dance. They wanted to up the local spending in the district to justify another pay rise.