your name is mud
US /jʊər neɪm ɪz mʌd/
UK /jʊər neɪm ɪz mʌd/

1.
넌 끝장이야, 네 이름은 먹칠이 될 거야
used to tell someone that they are in serious trouble or disgrace, especially because of something bad they have done
:
•
If you tell anyone my secret, your name is mud!
내 비밀을 누구에게라도 말하면, 넌 끝장이야!
•
After he cheated on the exam, his name was mud with all the teachers.
그가 시험에서 부정행위를 한 후, 그의 이름은 모든 선생님들에게 먹칠이 되었다.