The article deals with the thrash talk as a speech genre. The term, which came to modern Russian from English, refers to a speech practice in which offensive statements are formulated against the opponent, designed to disturb the opponent’s psychological equanimity. It can be a form of bragging or insulting in competitive situations. The research was conducted in the context of Russian and foreign works on invective practice in Russian linguoculture, which not only represent a constant, but evolve as well.