Advanced Double Ass Cancer. A rare form of Cancer that spreads faster than a Mormon girl on her wedding night. Often, it's the result of a failed plastic surgery operation to install a second asshole in those so full of shit they require two exit holes.

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.