rain down
verb1
To fall from the sky as, or like, rain.
- I'm soaking wet because it rained down on me.
2
To let fall as, or like, rain.
- In the latest supernatural incident, the sky rained down frogs.
3
To strike (literally or figuratively) many times and/or very intensely.
With on or upon
- My wrath will rain down upon you.
- The jeers rained down on me throughout my middle school years.
4
Idiomatic To appear suddenly or inexplicably in large numbers.