SGT Chavarria: Hey Arocho, look at all those hajjis coming into the base. What do you think they are up to?
SPC Arocho: I dunno Chav, must be seeking revenge for that time SGM yelled at dem hodgers we had sweepin in our office, to get to cleaning his desert SUV on the double.
SGT Chavarria: Yeh or maybe when he had their backs spray painted with 'STAY ARMY' haha! oh shit RPG! Take cover! damn hajjis!!
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.