motherfucker

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++moth·er·fuck·er /ˈmʌðəˌfʌkə $ -ðərˌfʌkər/ noun [countable]  American English taboo spokenDON'T LIKEINSULT a very offensive word for someone that you dislike very much or that you are very angry with. Do not use this word. 混账东西，杂种 —motherfucking adjective

moth·er·fuck·er nounChineseSyllable  

motherfucker
moth‧er‧fuck‧er /ˈmʌðəˌfʌkə $ -ðərˌfʌkər/ noun [countable]
American English taboo spoken a very offensive word for someone that you dislike very much or that you are very angry with. Do not use this word.
—motherfucking adjective

mother·fuck·erBrE /ˈmʌðəfʌkə(r)/ 🔊NAmE /ˈmʌðərfʌkər/ 🔊 noun (taboo, slang, especially NAmE) an offensive word used to insult sb, especially a man, and to show anger or dislike （常用于男性）浑蛋，杂种