Cockney

You may be looking for Cockney English.

Cockney referred to a resident of an area in London, as well as the dialect they spoke.

Ben Jackson was a Cockney. (PROSE: Invasion of the Cat-People)

While visiting London in 1860, the Doctor and Leela discussed their previous visit in 1889. Leela referred to the Cockney "tribe". (TV: The Talons of Weng-Chiang, AUDIO: The Ghosts of Gralstead)

Tamsin Drew played "a Cockney drab who gets done to death by Jack the Ripper" for "one glorious summer" in re-enactments of the murders at the London Dungeon. (AUDIO: Deimos)

Cassandra O'Brien.Δ17 attempted an "old Earth Cockney" accent when posing as Rose Tyler, who spoke with a working-class London accent. (TV: New Earth)

Ada Mullins, aka "the Unicorn", was a Cockney master thief responsible for jewel thefts at country houses in the 1920s. (TV: The Unicorn and the Wasp)

Clara Oswald described the fictional EastEnders character Dot Cotton as a "famous Cockney chimney" to the Governor of the Prison. (PROSE: The Blood Cell)