An abbreviation used relatively commonly in online gaming circles, meaning: Eat My Ass Out.

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.

EMAO = Eat my arsehole out.

Steven you dirty vermin!! EMAO then eat my shit!

That guy just asked me if i wanted him to EMAO!