My partner Linda uses "Essex Girl" as her mudcat name, so perhaps I'm chancing my luck.

What does an Essex Girl put behind her ears to attract men ? - her ankles.

How does an Essex Girl turn on the light after sex ? - she opens the car door.

How do you know when an Essex Girl has an orgasm ? - she drops her chips.

An Essex Girl asks her boyfriend to kiss her in "that special place which is is all damp and smelly". "Sod that", he says, "I'm not going to drive all the way to Canvey Island at this time of night !"

My favorite doesn't work so well written down, because it relies on a pun.
What is an Essex Girl's usual w(h)ine ? - "I want to go shopping at Lakeside".