The Gremmys are a stupidly complicated thing, slicing up surf music into imaginary categories just so that I can make sense of things in my head. It's messy -- there are things in this category that could be in another category and vice versa. But the judging criteria of this one is delightfully simple:
Does it rip? How much?
This is a category for surf/instrumentals that aim to get your adrenaline spiking, maybe inspire some headbanging or fistpumping. I call it "rad" because it needs a name and it rhymes with trad. Let's go.