Mammary Intercourse performed on one's self. Naturally you would have to be either a chick with a dick or a guy with tits if there's difference.

You'll probably have guessed that it's a hentai thing.

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.