An onomatopoeia of the common phrase "Eat a cock".
Used to negatively infer that the recipient of said insult is, figuratively speaking, a homosexual male.

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.