upset the apple cart

Fig. to mess up or ruin something. Tom really upset the apple cart by telling Mary the truth about Jane. I always knew he'd tell secrets and upset the apple cart.

Common Names:

Name	Pronounced	Usage
Athersmith	['æθəsmiθ]
Marcellette	-	French
Rainbow	RAYN-bo	English (Rare)
Anahit	-	Armenian, Armenian Mythology
Bassam	-	Arabic
Marjolaine	-	French