Cause trouble, as in Don't listen to her gossip—she's just trying to make mischief. This idiom was first recorded in 1884, but the related noun mischief-maker, a person who causes trouble especially by tale-bearing, dates from about 1700.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use make mischief in a sentence
True, Egypt can make mischief in its region for Israel and the United States.
"Or else a desire to make mischief between you and us," was Knight's calm suggestion.The Second Latchkey | Charles Norris Williamson and Alice Muriel Williamson
She was a woman who liked to make mischief, and preferred to leave sorrow rather than joy behind her.The Pagan's Cup | Fergus Hume
But then all the more reason why she might make mischief without intending it.The Girl Scouts in Beechwood Forest | Margaret Vandercook
"Now, Westenra, if you in this crisis make mischief," began Miss Mullins.A Plucky Girl | L. T. Meade
If I don't know it before I leave the room to-night, I'll make mischief.A Life For a Love | L. T. Meade