This is the 5792nd most frequent Japanese word.
のこのこ
"Nonchalantly" or "carelessly without concern."
Used to describe someone's casual or indifferent behavior in a situation where promptness or attentiveness would be expected.
彼はのこのこと会議に遅れてやってきた。
He nonchalantly came late to the meeting.
Used to describe a carefree and relaxed attitude while engaging in an activity or arriving at a location.
のこのこと動物園に行くと多くの動物が見られる。
If you wander leisurely into the zoo, you can see many animals.
Illustrates someone's relaxed and unconcerned manner while carrying out actions, requiring no urgency.