- Horseplay is defined as boisterous fooling around, or to rough play.
When two kids are tussling around and play-fighting each other, this is an example of horseplay.
horseplay definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
rough, boisterous fun
horseplay definition by American Heritage Dictionary
Rowdy or rough play.