Definition of "rumpus room" []

• A room for play and parties. (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.

• "Finally, a constructive use for the still-to-be-completed rumpus room once known as Mannyland."
• "Sinister in so many intriguing ways, this rumpus room could be the very place Calvin Klein first imagined when he dispatched one of his art directors to concoct a vaguely seedy, possibly sexually apocalyptic, retro-suburban, subterranean lair to set the advertising launch for his denim line."