Typically A Roddry is someone who posts their opinions on something called VN boards Much like others do, but what makes a Roddry special, is that no one really cares, or agrees, with what he is saying. Not to mention no one likes him.
Later on down the road, a Roddry! will evolve into a 100% tool
Bob: God dude, Jack is turning into SUCH a Roddry! Lets throw stuff at him.