Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: piss-up  pis-úp
Usage: Brit, vulgar
  1. Vulgar expression for a bout of heavy drinking
    "They went on a piss-up to celebrate finishing their exams"

Derived forms: piss-ups

Type of: binge [informal], bout, bust [informal], tear [US, informal]