When the female Significant other fails to inform the male partner that she is on her period after they have intercourse resulting in a bit of a red scare

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.

When the female Significant other fails to inform the male partner that she is on her period after they have intercourse resulting in a bit of a red scare