When one takes another's personal item, sets it on the floor and commences to pick the item up with their buttocks. On fabric items this action will leave a brown crease, these items have the best results.

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.