What does Aaugh! AAUGH! mean?

Aaugh! AAUGH! meaning in Urban Dictionary

Exclaimation of dismay, popular, and originaly created by the Peanuts group by Charles Schulz. Used frequently by Charlie Brown into the following circumstances:Losing a Baseball gameHaving the baseball pulled away by LucyIn an embarrasing situationIs used also by various other members of the peanuts gang and will be applied as a roaring noise to scare some one. 1.) just what Charlie Brown yells after missing kicking the football; after dropping another baseball online game; after getting their kite stuck in a tree; etc, etc.2.) Express a feeling of disappointment or displeasure.