More an interesting snippet of trivia that anything else BUT... did you know that Urban was also the name of a papal lineage in the medieval period? The Crusades were triggered largely by a speech by Pope Urban II at Clermont, France in 1095.
After hearing about the Turkish incursions into the Christian East, Pope Urban II set about preaching the morality of crusading.
In the South African context, "urban" -or "urb" - refers both to culture in cities and anything that is "cool". There is a continual migration from rural areas to urban areas because social, economic and cultural aspirations can be actualized in urban areas.
Tshepo's hair is so urban!
Tsotsi's hood is so urb.
Urban is a ban imposed by way of women having a last say in the matter, as always, without not just generalising or the slightest hint of exasperated exaggeration, alluding only to a definition in the urban dictionary as opposed to the concept per se.
I'd love to go out with you blokes, but my missus imposes urban om making my dick scenery publicly available. Sorry, but there's just no ban like 'ur ban.