影视英语口语:笨死了

“笨死了”在英语口语里能怎么说？

普通口语：stupid
地道口语：dumb

素材来源：另类童话色彩《灵指神探》
剧情简介：
Chuck自己也不知道是谁杀了自己，眼看着一分钟的时限就要到了，Ned应该再触碰她一次任其安然逝去，就在两人的最后一吻近在咫尺之时，他却舍不得她的离去......

Ned: You could tell me who killed you so, y'know, justice can be served.
Chuck: Well, that's really sweet but I don't know who killed me.  I went to go get ice and I dropped my room key inthe ice maker, and as I was thinking, "That was dumb ... "