the King's English

Correct English usage and diction; the kind of English that would be spoken at the court of the English king: “With their mixture of jargon and slang, sportscasters are constantly murdering the King's English.”

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.