Cool London Slang: What Do Londoners Really Say?

Ever wondered how people in London actually say 'cool'? This article breaks down the most common slang words you’ll hear in the city in 2025, plus a bit of history behind the lingo. Find out which words are hot right now and which ones are fading out. Get tips on using them like a London local (without sounding like a try-hard). Whether you’re visiting or just want to stay on top of language trends, you’ll pick up something useful here.