From Dickens's cockneys to Salinger's phonies, from Kerouac's beatniks to Cheech and Chong's freaks, and on to hip hop's homies, dialect has always been used as a way for generations to distinguish themselves.
I'm every bourgeois nightmare - a Cockney with intelligence and a million dollars.
One of the main things about Cockney is, you speak at twice the speed as Americans. Americans speak very slow.