When you have anal sex with a female & then have vaginal sex with a different girl with washing.

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.

This is when you fart in a girls mouth and she holds it in her mouth. Then you take your hard cock and tap her cheeks with it. In theory, her mouth should sound hollow like a drum when tapped.