Acronym that means "For Your Sexual Incompetence". When one is informing someone who is clueless about a sexual term. FYSI can be used the same way as FYI but of course FYSI is directed towards sexual terms.

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.