adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
gurgling; sound of rinsing one's mouth
Mimetic word for the bubbling or gurgling sound made when liquid is swished in the mouth or throat, often during gargling or rinsing.
彼はうがい薬を口に含んで、ぐぶぐぶと音を立てた。
He took mouthwash into his mouth and made a gurgling sound.
洗面所からぐぶぐぶといううがいの音が聞こえる。
I can hear the sound of gargling from the bathroom.