WHAT'S WHAT


Meaning of WHAT'S WHAT in English

phrasal

or what is what or what was what

: the true state of things

exploration of what's what with the American businessman — advt

all the … millionaire paper-mill women knew what was what when it came to fashion — Edna Ferber

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.