ドボドボ
dobodobo

To-Adverb

1. with glugging (e.g. of liquid being poured, running down)

Onomatopoeia
けど、一 いち ばん加湿 かしつ つけっぱなしで あさになると まど結露 けつろしてドボドボ・・・。
kedo hitoban kashitsuki tsukeppanashide asani naruto madoga ketsuro shite dobodobo....
But because the humidifier is on all night, in the morning the condensation pours off the windows.