わら くすくす笑う Show inflections LinksSentence search for くすくす笑うSentence search for くすくすわらうSentence search for クスクス笑うSentence search for クスクスわらうKanji details for 笑Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'u' ending1. to giggleOther formsクスクス笑う 【クスクスわらう】 Discussions Log in to talk about this word.