To get hit so hard that the C is knocked out of you.

The "C" in question is a mouth guard used in sports. Such as Boxing or any other close combat sport.

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.