A suffix shortened from "-grade student" — used as "yu-ding" (kindergartner), "cho-ding" (elementary schooler), "jung-ding" (middle schooler), "go-ding" (high schooler), "dae-ding" (college student), "jik-ding" (office worker). As youth crime has risen, harsher, more contemptuous versions aimed at middle/high schoolers have become more common than the plain forms.
Originally from a polite gamer sign-off ("enjoy the game"), it got shortened over time and repurposed to mean "forget it" or "get lost" — often used to shut down an absurd item-trade offer or dismiss someone outright.
1) "Damn good at something" (shortened, with a crude intensifier) — someone you look up to, sometimes called a "named" figure in their field. 2) "Damn good-looking" (shortened).
UBD is a unit of counting audience numbers created using the English initials of the movie *The Bicycle King Um Bok-dong*, which failed at the box office by only attracting 170,000 viewers, and 1 UBD is 170,000 people.
It is used to mean the best of the best by adding the Chinese character 'Wang' (王) to the English word 'King' and adding 'Jjang' (meaning best). It was discovered during the 'Finding Idiot IDs' event on the DC Inside World of Warcraft (WOW) Gallery and was soon selected by the gallery members as the 'most powerful ID'.
Originally short for "you won't get a girlfriend" (an-saenggyeoyo). On the far-right forum Ilbe, it took on a mocking tone, sometimes paired with a faux-dialect phrase implying "things weren't like this in the old days."
"Mom's friend's son" — used for someone impossibly accomplished compared to you. The female form is "eomchindal" (mom's friend's daughter); there's also "bu-chinnam" (wife's friend's husband).
"Half fried chicken, half seasoned chicken, extra pickled radish," shortened — a common chicken-delivery order.