The process by which an individual excretes a large piece of fecal matter and proceeds to pass that directly into another individual's anus, who then tries to return the instrument into the originator's anus. This process is repeated until one unsuccessfully receives the item. The failing indidivual must then proceed to orally consume the article.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.