The Acronym used for the condition known as a First-Person-Shooter Induced Headache,which is a headache that is induced from playing too much first person shooters in one sitting.

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.