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
LÁZÁR	-	Hungarian
Sue	SOO	English
Leonor	-	Spanish, Portuguese
Murali	-	Hinduism, Tamil, Indian, Kannada, Telugu, Malayalam, Hindi
Humaira	-	Arabic, Urdu
Gioconda	jo-KON-dah	Italian