A dubtard is someone who listens to too much dubstep. Dubtarded is the adjective associated to a state of mind in which all normal flow of ideas in english or other language has been replaced by the wobble wobble whomp of dubstep. there are no more words, there is only dubstep. This person is a dubtard.
In a side note; it has the amazing property of killing kraut.
Kyle or anyone who listen to dubstep for an extended period of time would be considered a dubtard. just listen to a dubstep mix, or spin some dubstep for a few hours, or even just go to a show(recommended). You will be a dubtard. You will all be dubtards.