boto-boto
The sound of heavy drops or small objects falling continuously — thick liquid dripping, ripe fruits dropping one after another.
💡Water dripping heavily from a soaked umbrella — 'Water was falling boto-boto from the umbrella.'
傘から水がぼとぼと落ちていた。
Water was dripping boto-boto from the umbrella.
Ripe plums were ___ falling from the tree into the grass.
熟した梅が○○と草の上に落ちていた。