A fake A.R.M.Y is a fan of BTS that only likes them because they are either hot,or they want to impress their A.R.M.Y friends.
They usually talk only about one member and trash talk the others.Or does not know at least their stage names or at least one of their songs

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.