멍멍
meong-meong
A dog's bark.
When to useTalking about dogs, especially to kids — a puppy is even called 멍멍이.
Think ofWoof woof
Examples
옆집 강아지가 밤새 멍멍 짖었어.
The neighbor's puppy barked all night.
Korean life dictionary
22 short guides to words and manners