motherfucker

Từ điển Việt Anh Việt 4in1 - English Vietnamese 4 in 1 Dictionary

moth‧er‧fuck‧er /ˈmʌðəˌfʌkə $ -ðərˌfʌkər/ BrE AmE 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