A very large or obese person that is usually seen walking around in an urban environment. They occasionally tend to open a big gap when approached by a large crowd of people on the street.
Chad: Dude, did you see how fat that guy was walking down the street?
Craig: Yeah man, he's definitely an urban rhino.
Craig: Yeah man, he's definitely an urban rhino.
by AKrowdy27 July 25, 2011