Definition
A "piss-up" is a slang term, primarily used in British English, referring to a heavy drinking session or a drunken party. The word is considered vulgar and should be used with caution. It implies excessive alcohol consumption and often rowdy behavior. Think of it as a party where the main goal is to get drunk. Unlike a sophisticated gathering, a piss-up is characterized by its lack of restraint. It's a casual and often messy affair. This term is not suitable for formal settings.ð