꼬끼오
kkokkio
A rooster's crow.
When to useDawn on a farm, or teasing someone for waking up very early.
Think ofCock-a-doodle-doo
Examples
할머니 댁에선 꼬끼오 소리에 눈을 떠요.
At grandma's, I wake up to the rooster crowing.
Korean life dictionary
22 short guides to words and manners