piss on party

piss on somebody's party

(British & Australian very informal)

to do something that spoils someone's plans I don't want to piss on your party but next week Malc and I won't be here.

Name	Pronounced	Usage
Escobar	[es'kɔvɔr]
Maxwell	MAKS-wel	English
Joan (2)	joo-AHN (Catalan), zhoo-AHN (Catalan)	Catalan, Occitan
MahİR	-	Turkish
Arkadi	ahr-KAH-dee	Russian
Jayna	JAY-nə	English (Rare)