When you spread your butt cheeks wide open while in the shower to let the water run down your ass crack and wash out any chunks of shit that may have accumulated throughout the day.

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.