The lyrics of "Fastlane" by Esthero describe a passionate and intense love affair where the narrator is drawn to someone who captivates them with their words and presence. The seductive and intense language used throughout the song conveys a sense of lust and desire that overwhelms rational thinking. The narrator is willing to leave everything behind to pursue this fast and intense love, despite knowing the potential consequences. The lyrics explore themes of intense attraction, emotional vulnerability, and the irresistible pull of a passionate connection.