Used to big up something as proper good, cool, or good-looking. Comes from Dame Judi Dench being the definition of quality, then got rinsed in grime and UK rap, with Lethal Bizzle helping push it mainstream. If your trainers are dench, they’re certified and worth rating. Sounds a bit daft, still bangs.
"That trim is dench, bruv, I’m gassed for you. Drop the barber’s Insta, yeah? Man’s trying to look peng for Saturday."