Answer: applecart

AnswerCrossword Clue
APPLECART

Metaphorical victim of an upset

APPLECART

Shaw work, with "The"

APPLECART

One not to upset?

APPLECART
It's a mess, if upset.
APPLECART
Vehicle upset by marplots.
APPLECARTSomething that can be upset.
APPLECARTShaw play (with "The").
APPLECARTUpset the ....
APPLECARTUpsettable item.
APPLECARTMuch-upset vehicle.
APPLECARTShaky container.
APPLECARTScheme headed for an upset
APPLECARTVehicle often upset
APPLECART... that may be upset