The origin of the term may stem from the fact that a dime is ten cents, and a dimebag is ten dollars, reinforced by the nickelbag ($5 worth of marijuana) and the quarter (a quarter-ounce of marijuana).
"Sure, but if you can you should get more, save some cash."
But he's not the virtuoso that the media is making him out to be now that he's been shot to death. Pinch harmonics, fast pentatonic solos, whammy bar dives, killer riffs. He's an awesome metal guitarist, but I'd be lying if I said he's one of the best players I've ever heard.
Also, I know it's supposed to be about the music and not about the image, but the number of posers that have been latching onto Pantera/Damageplan now that he's dead is really annoying. Because Pantera was all about going against the mainstream... the real Pantera fans know what I'm talking about