The term 'London Lad' is a combination of two words, BRIT and CHAP. BRIT is an abbreviation for British, which is the nationality of people from the United Kingdom, including England, Scotland, Wales, and Northern Ireland. CHAP is a slang term used in the UK to refer to a man or boy, usually one who is polite and well-mannered. Therefore, London Lad is a term used to describe a polite and well-mannered young man from the United Kingdom.