开玩笑开到自己身上了;捉弄别人反而捉弄到自己头上
牛津电影里 100%
used to say that sb who tried to make another person look ridiculous now looks ridiculous instead
I'm afraid the joke's on us, let's go.
释义来自《牛津高阶英汉双解词典》第 9 版