Playful, often noisy and rowdy activity, usually involving mischievous pranks.(noun-plural)
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.
Use "high jinks" in a sentence
"It was strange seeing an Angels game sans the first-to-third dashes, stolen bases or the aggressive base-running high jinks that usually drove the Yankees crazy."
"And the bathroom high jinks certainly suggest a sad lack of imaginative flair."