コロコロ

コロコロ, ころころ, ころんころん, コロンコロンkorokoro

adverb · suru verb · noun

1. (rolling) along
2. (rolling) over and over
3. with a bright, ringing sound (e.g. of a bell)
4. (laughing) in a bright, high-pitched tone
5. merrily
6. (changing) frequently (of opinions, conversation topic, etc.)
7. constantly
8. often

Study it in Yanamino