It's another one of those crazy Japanese miming things. Here we have a bunch a people dressed up in rags and locked up in a giant fake washing machine, and a girl doing some good ol' Judo moves to create the washing effect.
http://www.doubleviking.com/videos/tag/japanese%20tv/page0.html/7727.html
http://www.doubleviking.com/videos/tag/japanese%20tv/page0.html/7727.html