people who disturb the peace, vandalize and glue themselves to paintings just because they hateoil
person 1: look at them over there, they are throwing orange paint on the mona lisa and gluing themselves to the wall!
person 2: typical Just Stop Oil activists...
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 expertβs specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be βeggheadβ, βsquintβ, or βgeek.β
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 βbafflingβ to the common person.