adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
sniffling; snuffling
Describes the sound or action of repeatedly sniffing, typically when crying or having a runny nose.
彼女はぐすぐす泣いていた。
She was sniffling and crying.
風邪で鼻がぐすぐす
My nose is sniffling because of a cold.