쩝쩝 + 소리를 내다 / 먹다 · 쩝쩝거리다
smacking one's lips (while eating)
Example
밥 먹을 때 쩝쩝 소리 내지 마세요.
Please don't smack your lips when you eat.
Word parts
의성어 (sound word) for loud chewing with an open mouth.
Good to know
Loud chewing is considered rude in Korea, so 쩝쩝거리다 is usually a complaint. Single 쩝 also shows mild disappointment.
Related words