rain on someone's parade

Verb

rain on someone's parade (third-person singular simple present rains on someone's parade, present participle raining on someone's parade, simple past and past participle rained on someone's parade)

1. (idiomatic) To spoil someone's celebration.
   • Sanju Baba, we learn, is rather miffed at the way Kunder rained on his parade and took away the spotlight from Agneepath's success.2012 January 31, “Shah Rukh Khan, Shirish Kunder's drama ends”, in Times of India, Bollywood
   • “Given that Europe is still shrouded by the cloud of recession, a weak PMI -- though not rain on the parade -- will surely damp investor sentiment,” said Manish Singh, the London-based head of investment at Crossbridge Capital2012 February 22, “European Stocks Fall on Worse-Than-Expected PMI Data; TUI Drops”, in Bloomberg Business Week
2. (figuratively) To disappoint or discourage someone by ruining or criticizing their plans or aspirations.
   • I hate to rain on your parade, but lots of people have tried that strategy and it hasn't worked yet.
   • If someone takes a spill / It's me and not you / Who told you you're allowed / To rain on my parade?1964, Bob Merrill, Jule Styne, “Don't Rain on My Parade”, in Funny Girl, performed by Barbra Streisand

   Synonyms:

   burst someone's bubble, piss in someone's cereal, piss in someone's Cheerios, piss in someone's cornflakes, piss on someone's chips, piss on someone's bonfire, piss on someone's campfire, put a damper on, shit in someone's cereal, shit in someone's Cheerios