Only the unwashed or criminal element will ever use rhyming slang - the whole point of its existence is obfuscation from police eavesdropping. I'll have you kno

Only the unwashed or criminal element will ever use rhyming slang - the whole point of its existence is obfuscation from police eavesdropping. I'll have you know, dear sir, that no respected member of the middle or upper classes should ever be found employing such bastardised lingo. The glorious Empire has no use for such trickery.