piss on (one's) party
piss on (one's) party
To ruin, spoil, or undermine one's efforts, plans, or ideas. Sorry to piss on your party, but there's no way that we'll be able to get this done by next week. It's just not possible! It seems as though the court is going to piss on the president's party by ruling that key parts of his proposal are unconstitutional.
See also: on, party, piss
Farlex Dictionary of Idioms.
- queer somebody's pitch
- queer someone's pitch
- queer the/(one's) pitch
- take a piss
- piss (one's) pants
- quiz
- piss quiz
- piss on (someone's) chips
- piss on (someone's) bonfire
- piss in (someone's) Corn Flakes