when someone puts an empty case of beer on his (almost always male) head. generally what the drunkest douche at any given party inevitably ends up wearing. extreme case hattees may even poke eye and mouth holes in their case hat, for prolonged case hatting.

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.