Definition & Meaning of "Rain on parade"

rain on one's parade

/ɹˈeɪn ˌɒn wˈɒnz pəɹˈeɪd/

/ɹˈeɪn ˌɑːn wˈʌnz pɚɹˈeɪd/

to rain on one's parade

PHRASE

to ruin what someone has planned or not allow them enjoy something

to [rain] on {one's} parade definition and meaning

What is the origin of the idiom "rain on someone's parade" and when to use it?

The idiom "rain on someone's parade" originates from the notion of a sudden downpour spoiling an outdoor celebration or event. It is used figuratively to describe the act of spoiling someone's happiness, excitement, or plans by delivering unwelcome news, criticism, or negativity.