じゃあじゃあ

adverb, adverb taking the 'to' particle

noisily (of water gushing, splashing, spraying, etc.)

Mimetic word describing the sound or manner of water flowing forcefully, splashing, or being poured noisily. Often used with と.

• 蛇じゃ口ぐちから水みずがじゃあじゃあ出でている。

  Water is gushing noisily from the faucet.

• 子こどもがバケツの水みずをじゃあじゃあとまいた。

  The child splashed water from the bucket noisily.