pochan
The gentle sound of a small object dropping into water, like a pebble or a raindrop hitting a pond. A cute, delicate water sound.
💡Throwing a pebble into a pond — 'The stone fell in with a pochan.'
石が池にぽちゃんと落ちた。
The stone fell into the pond with a pochan.
A frog jumped into the pond with a small ___.
カエルが池に○○と飛び込んだ。