When one's roommate catches one in midst of a masturbatory act during the nighttime, caused by the fallacious assumption that the roommate will not be awakened by the sounds of shaking bedposts and heavy breathing.

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.

Getting caught masturbating while your roommate because of one shaking the poorly made college bunkbeds. The second most important reason why college students should have separate beds. The most important reason would be the story every college tells you about the star student/athlete that fell off the top bunk and got paralyzed and almost flunked out.