Greetings: Adjective: To greet the coming of an event. Commonly used as a way of saying "hello" - However, when used properly it can be used as a way of saying that you likesomething, or that something is pleasing. Often used in the past tense, but can be used in almost any situation.
A cordial way of saying who gives a fuck, fuck off, or shut the fuck up. This expression is particularly useful in online conversations or when you need to silence someone in their tracks.
Jack: So let me tell you what I did today. I fed my cat, polished my shoes, bought a new hat, but I still didn't get any work done on my damn--
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.