Learn a new idiom! "The big cheese"

Idiom: the big cheese

 

We use the expression "the big cheese" to describe a person in an important role e.g. the CEO of a company.

   

Example:

“Have you heard? The big cheese is in the office today! I have never seen him before.”

 

The expression “the big cheese” doesn’t have the same meaning as VIP. You wouldn’t call Robbie Williams “the big cheese”. We use it for a person in an important role within an organisation or company. It is informal English.