
It is used to say "BYE" but literally it means "See you later" :)
Ulzzang (pronounced uhl-jang) translates to "best face" or "good looking" in Korean. This slang is often used by netizens, contests including girls competing for the title of "ulzzang". However, even if this is true, Ulzzang has developed into a subculture/style, rather than a competition/contest event.