cast a shadow over (something)
cast a shadow over (something)
To dampen, spoil, or ruin something that was hitherto good or positive. The boy's broken finger cast a shadow over his birthday party. This scandal will undoubtedly cast a shadow over her otherwise impeccable career.
See also: cast, over, shadow
Farlex Dictionary of Idioms.
- piss on (one's) party
- queer somebody's pitch
- queer someone's pitch
- queer the/(one's) pitch
- louse (something) up, to
- louse something up
- louse up
- crap up
- goof-proof