ゴロゴロ ゴロゴロ
- growling; grumbling; purring; rumbling (of thunder, one's stomach, etc.)
- rolling (of something large and heavy); tumbling
- all over the place; commonly; everywhere; in great numbers
- idly; lazily; slothfully
- (uncomfortable feeling of) having a foreign substance in one's eye, stomach, etc.
- thunder