(one's) applecart(redirected from his applecart)
One's plans or goals. I'm worried that not making the Olympic team after so many years of hard work would totally upset Ben's applecart. Look, he's not trying to upset her applecart—he just needs to meet later in the day now, that's all.
See also: applecart
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.