Any kind of food made from rice that has been shaped, condensed, or otherwise combined into a single object.
A wide variety of rice cakes exist in many different cultures in which rice is eaten, particularly in Asia. They originate from Korea, where their ancestors made Tteok since the bronze age.
A game played by children in California in which children violently gnash and bite rice cakes. The rice cakes are said to represent surfboards on which an imaginary surfer is balancing for dear life. The children act as sharks trying to eat or destroy the surfboard, and by extension, kill and eat the surfer.
Tammy thought her kids were normal, but that was until they day she found them playingrice cake shark.