also: ちゅっぱちゅっぱ
adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
licking; sucking
Onomatopoeic word mimicking the sound of licking or sucking, often used for candy or playful contexts. Can be used adverbially with と or as a する verb.
子供がキャンディーをチュパチュパなめている。
The child is licking the candy with a sucking sound.
彼
He sucked his finger noisily.