Impolite, Rude and Offensive Behavior in KoreaIf you have the sniffles or are stuffed up, it is best to excuse yourself and blow your nose in a rest room. Yawning loudly and chewing gun in public are also considered rude.
People Also Ask
Slurping and belching are acceptable while dining, and is sometimes considered a sign of appreciation of the cooking. Tipping is not a part of the culture in Korea.
The answer is some do, some don't. While in other cultures, especially western, it would be considered rude to chew with your mouth open, in Korean culture, it's not really that off-putting. Different culture, different manners.
Keep your hands to yourself (at least at first)While it's not uncommon to bump a few elbows on a crowded street, South Koreans aren't big on touching someone they don't know. This means hugs and shoulder pats aren't welcomed between strangers.