One of those disgusting looking rectangular vehicles like the Scion xB. Most people would never buy such an ugly thing, but some just have strange tastes and preferences
The Laguna Beach youth parked his new Scion xB boxcar in the cul de sac, where it became an eyesore to the neighbors
A haircut popular with teenage boys in the 1950s: Longish on the sides combed straight back and with a flat top wiffle pushed up in front with butch wax.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”
Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.