where people arrange to be somewhere at a certain time and then all stop what they're doing at the same second and just stand frozen for a couple minutes, then set off again as if nothing happened.
There are bigger ones like wher epeople all start dancing at once, a pre-arranged dance or something. But we're just doing a simple one
![Laugh :laugh:](http://www.intensitysquared.com/Smileys/default/laugh.gif)