尻しり相撲ずもう

noun

shirizumo; back-to-back sumo; buttocks pushing game

A traditional Japanese game where two players sit back-to-back and try to push each other out of a ring using only their buttocks. Often played by children.

• 運うん動どう会かいで尻しり相撲ずもうをした。

  We played shirizumo at the sports day.

• 尻しり相撲ずもうは意い外がいと難むずかしい。

  Shirizumo is surprisingly difficult.