Adverb taking the 'to' particle
with glugging (e.g. of liquid being poured, running down)
Onomatopoeic or mimetic word
けど、一晩加湿器つけっぱなしで朝になると窓が結露してドボドボ・・・。But because the humidifier is on all night, in the morning the condensation pours off the windows.