BIG CHEESE


Meaning of BIG CHEESE in English

ˌbig ˈcheese BrE AmE noun [countable] informal

[ Date: 1900-2000 ; Origin: cheese probably from Urdu chiz 'thing' , from Persian ]

an important and powerful person in an organization – used humorously

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.