Definition of "through-and-through" []

• The wealthiest and most exclusive social set of a community. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Let England Shake is British through-and-through, but it's also of a land much farther away."
• "Most people seen in the movie are actors through-and-through."
• "My hometown of Washington, D.C. although truthfully, I'm a Bostonian through-and-through has white rooftops."