motherfucker
noun [ C ] uk/ˈmʌð.əˌfʌk.ər/ us/ˈmʌð.ɚˌfʌk.ɚ/ (also mother)
mainly US very offensive不要脸的家伙，混账东西，混蛋
an extremely insulting name for someone you hate or for someone who has made you angry
US very offensive极令人讨厌的事物
an extremely unpleasant thing