This is a word that you use when it has been a long time sincu you have hade yourself a girl. Fett=Pussy, and Laus=to be without. So when your "fettlaus" you dont got any pussy to attend to.

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.