The combination of "BuzzFeed" and "rabbit hole." This is the act of inadvertently spending way too much time on buzzfeed.com, mostly because of how easy it is to jump from one article the next.
Guy: "I was just going to read this one thing on buzzfeed, but ended up clicking around the site for hours"
Girl: "Sounds like you got cought in a major buzzhole"
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.