ˈpiss-up BrE AmE noun [countable] British English informal not polite
an occasion when people drink a lot of alcohol together:
We had a good piss-up on my birthday.
ˈpiss-up BrE AmE noun [countable] British English informal not polite
an occasion when people drink a lot of alcohol together:
We had a good piss-up on my birthday.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012