They act like they belong to the upper crust.
upper crust
idiomThe social elite, the highest social class.
Origin
first recorded 19th c.First known use as an idiom: 1836.
The gala was filled with the upper crust of society, all wearing expensive jewelry and designer clothes.
Despite his humble beginnings, he spent his entire life trying to gain acceptance among the city's upper crust.
- 01
crack a crust
To make a living.
- 02
earn one's crust
To earn money, to do something as a job.
- 03
stiff upper lip
The quality of being resolute and showing self-restraint, stereotypically associated with the British; especially as keep a stiff upper lip.
- 04
upper hand
Advantage or control.
- 05
upper storey
A person's brain.