When a group of males go accompany each other to take shits at the same time. This usually occupies all of the stalls in a public bathroom, and occasionally spreads to urinals and, in the extreme, sinks.

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.