maghanap ng salita, tulad ng bukkake:
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!"
ayon kay TFE ika-20 ng Pebrero, 2007