rain on somebody's parade

rain on (one's) parade

To ruin one's plans or dampen one's excitement. I hate to rain on your parade, but I think your A in chemistry was actually a clerical error. Mom really rained on our parade by chaperoning our school dance.
See also: on, parade, rain
Farlex Dictionary of Idioms.

ˌrain on somebody’s ˈparade

(American English) spoil something for somebody: Drugs again rained on the Olympics’ parade as another athlete tested positive for an illegal substance.
See also: on, parade, rain
Farlex Partner Idioms Dictionary
See also:
  • at (one's) doorstep
  • at doorstep
  • at fingertips
  • at one's fingertips
  • at (one's) fingertips
  • at your fingertips
  • at somebody's expense
  • at someone's expense
  • at expense
  • at (one's) expense