Definition of "shenanigans"

Well, I'm not the woman to stand any shenanigans from a child of mine. I could name you dead loads of women that are just completely walked over by their children.

1890, Kate Chopin, “Perplexing Things”, in At Fault. A Novel, St. Louis, Mo.: Nixon-Jones Printing Co., page 159

One of Professor [John] Moon's most astonishing "experiments," consisted of holding a watch suspended from a short chain at arm's length, and allowing anyone in the pit to pull pistol and "blaze away" at the word "fire," whereupon the watch would most unconscionably disappear. An individual who had attended several evenings and witnessed the "experiment," suspected, in the classic language of the times, that there was something of "shenanigan" in it.

1855 September, “Mr. Soap’s Yachting Excursion”, in Yankee Notions, volume IV, number 9, New York, N.Y.: Published by T. W. Strong, 98 Nassau-st., page 280

There are stories still told how money was used and promised, but from the best knowledge I can acquire, I think this is not true. If sharp practice was played, and "shenanigan" was used, we, to-day, looking back upon those times, cannot say that evil has come of it.

, Cha[rle]s H. Sparks, “Political History”, in History of Winneshiek County, with Biographical Sketches of Its Eminent Men, Decorah, Iowa: Jas. Alex. Leonard, page 31

And you remember that she is a pal of ours, and you're to act like a gentleman, no shenanigans, or I'll skin you alive!

1921, William M. McCoy, “At the Shrine of Faith”, in The Valley of the Sun, New York, N.Y.: A. L. Burt Company; published by arrangement with The H. K. Fly Company, pages 77–78

On the table top behind him lay the letter from the Vatican. It was what he had dreaded. Shenanigans like that don't go for long unnoticed. Canon Tom may have provided the Church with a touch of class, but when the chips were down, he was expendable.

1993, Edward Toman, chapter 9, in Shambles Corner, London: Flamingo, HarperCollins, page 125

FDA [Food and Drug Administration] commissioner Scott Gottlieb yesterday called on brand name drug companies to "end the shenanigans" that restrict generic drug competition, specifically pointing to the tactic of slow-playing shared Risk Evaluation and Mitigation Strategies (REMS) terms intended to prevent generic manufacturers from purchasing drug products needed to run bioequivalence or bioavailability studies that FDA approval requires.

2017 November 10, Zachary Brennan, “Gottlieb: ‘End the shenanigans’ on slow-playing REMS to delay generic drug competition”, in Endpoints News‎, archived from the original on 11 March 2018

In a panel discussion at BuzzFeed's office, Oscar-winner Meryl Streep told "The Post" director Steven Spielberg and co-star Tom Hanks that settlements like those paid to Harvey Weinstein's accusers would not have been necessary if more women held positions of power. "If the boards of the company were half female, there wouldn't ever have been payoffs to anybody," Streep said. "None of this – the shenanigans wouldn't have occurred."

2017 December 13, Courtney Connley, “Meryl Streep on Weinstein: If more women were in leadership ‘the shenanigans wouldn't have occurred’”, in CNBC‎, archived from the original on 13 December 2017

"I'm sorry, but I'm not going to devote any of tonight's news to evil monkey shenanigans unless you can find something more down to earth to focus your report on."

2009 January 20, Dan Shive, El Goonish Shive (webcomic), Comic for Tuesday, Jan 20, 2009