know what’s what
know what's what
To know the true facts or most fundamental information (about someone or something). Kid, I've been doing this job for longer than you've been alive, so trust me when I say that I know what's what around here.
See also: know, what
Farlex Dictionary of Idioms.
know what’s what
tv. to be aware of what is going on in the world. We don’t know what’s what around here yet.
See also: know, what
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
- know what's what
- know what's what, to
- as we know it
- I know
- can't say as I do
- (I) can't say as I do
- know what
- before you know where you are
- by any chance
- have no idea