Define Essex Windscreen Wiper Meaning

Essex Windscreen Wiper
Whilst copulating with a bespectacled young woman, tell her you are about to cum on her face, at which point, to her dismay you pull out and unleash a stream of warm urine on to her face and after with the motion of a windscreen wiper, swipe your penis across her face.

Julia- so Sharon, how was your date with Dan?
Sharon- Awful, until he gave me the old Essex windscreen wiper
By Francesca