On the edge of your ability or capacity. Literal definition comes from being right up against a wood railing or wall with no where to go. Typically refers to being pressured, busy or at your limit.

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.