Rain on your parade

Meaning

To spoil someone else's plans, excitement, or moment of celebration. It describes someone who brings negativity to a happy situation.

Defensive, apologetic

Used in a sentence

• I hate to rain on your parade, but the concert was canceled due to the storm.
• She did not want to rain on his parade after he finally got his promotion.
• Don't let those grumpy neighbors rain on your parade today.