When you're wearing too much underwear and you have to leave some behind in a port-a-potty.

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.

The act of removing and abandoning your underwear due to excessive sweating of the genital region.

When you have to abandon your underwear and go commando.