The Flatbush Zombies who I first encountered in the "Thug Waffle" video were, and are, as much a collection of freaked-out signifiers as an actual rap group: Unruly twisted mini-dreads, massive beard, out-of-focus Ol' Dirty Bastard eyes, grungy skater clothes, hair-bleach, gold fronts, biker-punk vest-spikes, slurry broken-teeth voices, constant references to shambling reanimated corpses. They seemed bent on convincing the ...