applecart

[ ap-uh l-kahrt ]
/ ˈæp əlˌkɑrt /

noun

a pushcart used by a vendor of apples.

Idioms for applecart

    upset the/someone's applecart, to ruin plans or arrangements; spoil something: He was making a fantastic profit until a competitor upset the applecart by cutting prices.

Origin of applecart

First recorded in 1780–90; apple + cart

British Dictionary definitions for upset the applecart

applecart
/ (ˈæpəlˌkɑːt) /

noun

a cart or barrow from which apples and other fruit are sold in the street
upset the applecart to spoil plans or arrangements

Idioms and Phrases with upset the applecart

upset the applecart

Spoil carefully laid plans, as in Now don't upset the applecart by revealing where we're going. This expression started out as upset the cart, used since Roman times to mean “spoil everything.” The precise idiom dates from the late 1700s.