Expletive directive frantically typed by a Russian video gamer. Rush b is something you do in a video game. Cyka is pronounced soo-kah, which means bitch. Blyat is Russian for whore.
Rush b cyka blyat, Cyrillic script is a cyka blyat to translate to Latin alphabet!
Rush B Cyka Blyat is a common slang said by bilingual Russians in the game CS-Go, B refers to an area on the map of the game and Cyka Blyat is a literal slang which translates to Damn Bitch.