big cheese
idiomPart ofcheese
big cheese — idiom
1. An informal expression for a person who holds a powerful or important position w
1.idiom
Definition
An informal expression for a person who holds a powerful or important position within a group, company, or organisation.
Example
My uncle is a big cheese at the local bank — he manages the whole branch.
Ravi felt nervous meeting the big cheese from the head office.