三すくみ券/ san sukumi ken [san-sukumi-ken] noun
1. Japanese. Three-way stand-off.
2. A game played, like the Western Rock-Paper-Scissors, except it represents the stand-off between a slug, snake, toad. Snake beats toad, toad beats slug, slug beats snake; the inevitable life triangle.
EX. I do not understand why slug beats snake in san sukumi ken.