"Red trousers" is a phrase that is often used to describe someone who is privileged, wealthy, or part of the upper class. It can also imply someone who is arrogant or shows off their wealth.
Sentences with «red trousers»
Wear a pair of red trousers with a navy and white striped T - shirt and a red waterproof jacket. (myntra.com)
Just save your blazer and red trousers for a different occasion. (totalpolitics.com)
A pair of bold and bright wide leg red trousers complete with big gold buttons. (fashables.com)