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
Hyde	[haid]
Lucretia	[lu:'kri:ʃjə]
Elsdon	ELZ-dən	English (Rare)
Olivier	o-lee-VYE (French), O-lee-veer (Dutch)	French, Dutch
Karmela	-	Croatian
Patrizia	pah-TREE-tsyah	Italian