also: ざあざあ
adverb, adverb taking the 'to' particle
heavily (raining); pouring; rushing water
Describes heavy rain or water flowing forcefully and noisily. Often used with 降る or 流れる.
It's raining heavily outside.
The river water is rushing loudly.
adverb, adverb taking the 'to' particle
with white noise; buzzing; static
Used for continuous background noise like radio static, TV snow, or a buzzing sound. Less common than the rain sense.
I can hear static noise from the radio.
It's pouring rain outside.
The TV is buzzing with static because the antenna isn't working well.
Rainwater is rushing noisily into the drain.
The radio is full of static because the signal is bad.