1 definition by McBrahhh
When two or more guys have a deep conversation while sitting in McDonald's. Typically between close friends or "bros."
Guy 1: "Yo dude, what were you guys just talking about?"
Guy 2: "Oh nothing man we were just having a McBro."
Guy 2: "Oh nothing man we were just having a McBro."
by McBrahhh July 25, 2011