From urbandictionary.com, probably sums it up better than I can, but a bit crude.
"an australian teen who thinks they are gods gift women and men alike.Generally seen whereing a white polo hat yellow nautica shirt with blue strips with the collar popped up and a red nuatica t shirt with a collar popped. And yellow nuatica shorts. really the most popular people in boys high school for some reason."
"young wog teens living in sydney who go around wearing polo or nautica shirts and hats. with long sleeve tights underneath usally bright colours, say the word lad and eshays excessivly and unnessacerily, and think that they can write up."
Eshays adlay
Alcar...