1. To be highly suspected amongst friends of being pregnant, but having not yet 'gone public'.
2. To be of an age and position in life where having a baby is the next logical step.
Based on the observation of the high frequency of woman tv weather presenters who were pregnant or became pregnant while in the job. Thus if someone is presenting the weather it is only a matter of time before they become pregnant.
"She's not saying it, but I reckon they're trying to get pregnant. I mean they just bought a house."
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.