apple cart
noun
ap·ple cart
ˈa-pəl-ˌkärt
variants
or less commonly applecart
: an established or expected plan, system, situation, or undertaking that may be disrupted or terminated
She … wanted to kind of do things her way without turning the apple cart completely upside down.—Ron Wood, quoted in Sports Business Journal
see also:
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Merriam-Webster unabridged



