A living organism whose mass is so great that it can be labeled with it's own personal ZIP code. A creature with a neverending desire to consume it's surrounds. Usually referred to as "Fat Guy" or "That Cowish Mofo." Inspired by the hefty shape of a Rhinocerous, who spends most of it's time grazing and rarely moving, only being able to run for seconds at a time. Behavior such as this is apparent in those who may be aptly dubbed "Rhinocerously Fat".
"Wow, have you seen how Rhinocerously Fat that kid Carmine has gotten?"