An extremely hard kick straight to the chest, like the one King Leonidas does to the Persian messenger in the movie 300. Some people like to quote Leonidas saying "This is Sparta!" before they do it.

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.