Basically someone intensely lame, stupid, or just a party pooper. Stems from "dead", obviously. More specifically past the general insult, it's someone who totally ruins the mood.
"Man, that guy is such a deadling, he's always whining and bitching when we try to have fun!"
TFE가 작성 2007년 02월 20일 (화)
Can you define these popular missing words?