When one farts so hard they shit in their pants.
Usually associated with diarhea.

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.

A belch so loud and violent that it can be heard by all for blocks...

An erupting of fluid from the mouth due to an explosion of laughter while drinking a beverage.