slang An act or instance of sexual intercourse. After flirting at the bar for a while, we went back to my place for a little bit of mattress mambo. My roommate's girlfriend is in town for the weekend, and I've had to listen to them doing the mattress mambo ever since she got here.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. an act of copulation. (Contrived.) I get my exercise doing the mattress mambo.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.