Leatherhead is a town in the surrey hills which is filled with posh pompous people who all go to one of the many private schools in and around that area. Even Queen Elizabeth the first stayed in the pompous town. The town is so posh, it has absorbed neighboring settlements such as Ashtead, Bookham and Fetcham. All of which have caught Leatherheads posh disease.
Someone who, at school, volunteers to do an example on the board. Upon reaching the board, the student forgets how to solve the problem and freezes. In a confused and embarrased state, the student then makes his way back to his desk and is shamed by his fellow classmates.
Jon: "I'm done professor"
Professor: "then go ahead and do the sorting algorithm Jonathan"
*Jon draws a blank at the front of the class and returns to his desk shamefully*
Phil: "Weatherheaded!"