脳カベ
A famous segment of the Japanese variety show [i][[Tonneruzu no Minasan no Okage deshita]][/i] (The Tunnels' Thanks to Everyone) involving contestants attempting to remain in an unconventional, often bizarre pose to pass through a hole in the wall or otherwise will be pushed into the pool. This specific section were later licensed and recreated as a standalone game show program in several countries.
nokabe