くつくつ LinksSentence search for くつくつEdit in JMdict Adverb (fukushi), Adverb taking the 'to' particle1. stifled (laughter)Onomatopoeic or mimetic wordAdverb (fukushi), Adverb taking the 'to' particle2. simmeringOnomatopoeic or mimetic word Discussions Log in to talk about this word.