British slang has spread around the world, and some terms, especially Cockney rhyming slang are world famous.
There have been countless books written about British slang - including a seven-volume dictionary published in 1889.
But how well do you know your British slang words?
Our 15-question multiple-choice quiz starts off very easy, with some basic British words which anyone who has spent time in the UK will know.
But we slowly turn up the temperature with some slightly more obscure slang terms from different corners of the British Isles.
Watch out! Towards the end there’s a few where we’ve cunningly tweaked the definition purposefully to trip you up.
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