"Nebby" is a slang term primarily used in the Midwestern United States, particularly in Pennsylvania and surrounding areas. It describes someone who is overly curious or nosy, often prying into other people's business or affairs. The term can carry a light-hearted or teasing connotation, depending on the context in which it is used. The word "nebby" is derived from the Scottish term "neb," which means to poke or pry. While it is not as commonly used in mainstream language, it remains a part of regional dialects and is often heard in casual conversations among locals.