According with Ananova "your job determines a person's hairstyle". They say: "Brylcreem found that Mullets were a popular hairstyle for those whose professions mean they are not seen by the public much; including long distance lorry drivers, taxi drivers and even DJs". I could swear that mullets were the "thing" to be worn by skaters and the sort of people who hang around in Hoxton Sq. (designers, trend setters and ad. creative people ehehe).
"Nice hair mate, you must be a ..."