This is an abbreviation used often in personal ads in various on-line services for gay men meaning, “You be, too!”— a call for only other HIV-negative men to respond.

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.