Language: en
Meaning: (idiomatic)Todisorganizeorspoilsomething, especially anestablishedarrangementorplan.Synonyms:cook someone's goose,drive a coach and horses through;see alsoThesaurus:spoil,Thesaurus:put a damper on1900,E. Phillips Oppenheim, chapter 22, inA Millionaire of Yesterday[1]:“There are three reasons,” Trent answered. “First, he may find his way to England andupset the applecart;[…]”1922,William Somerset Maugham,Caesar's Wife, act 3,page136:She told me herself just now that the worst was over. And those confounded people must go andupset the applecart.1979December 10, “Business: Putting Brakes on a Bailout”, inTime[2], archived fromthe originalon10 February 2012:Last week the Senate Banking Committeeupset thecarefully stackedapple cartwhen it voted 10 to 5 not to approve the Administration's bill.2011, Mira Bartók,The Memory Palace,→ISBN,page 5:This kind of impact causes contusions in the front and back areas of the brain and can create microscopic bleeding and shearing of neural pathways, causing synapses to misfire,upsetting the applecartof your brain, sometimes forever.
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