Girls try to gross each other out with antics similar to those of adolescent boys. Basically, the aggressor will rub her puss then swipe the juice across the upper lip of another girl. More impact can be had by attempting the maneuver when hygiene has be compromised, such as after a long workout or swimming in a pond.
“Becky pussfingered me after gym classtoday!! I couldn’t wash the stank off my lip all day, I’m gonna get that bitch!”
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.