Danny Brown does not suffer hecklers gladly. While performing in Glasgow, a rowdy fan thought it would be a good idea to throw his or her cup of water at the rapper, hitting him dead-on. As if this has happened before, Brown didn't take more than a couple of seconds to ready his response: he threw down his mic and hastily walked off the stage. Even though the crowd called for him to come back, Brown left the building without finishing his set. Watch the incident above.