開玩笑開到自己身上了;捉弄別人反而捉弄到自己頭上
牛津電影裡 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.
釋義來自《牛津高階英漢雙解詞典》第 9 版