Most say something in a language they can only speak sideways.
Madness string 3154
Wikimedia DC has a much laxer privacy policy, which is to say it does not have one in any meaningful sense.
On playgrounds, there was always the spinning gate. It was a gate on a pole. You'd stand on the back of it and kick off like a skateboard and just... spin around on it. Think a merry-go-round, but smaller and crazier.