what's what

1. see know what's what.

Example Sentences

It’s not cut and dry, what’s what and how you’re going to feel.

From Los Angeles Times

We all know each other and what’s what and what’s up.

From Los Angeles Times

“They’re creating volatile, dangerous situations,” Gordo told me, saying he fears that bullets will fly through neighborhoods, or that police will arrive on scene and not know what’s what or who’s who.

From Los Angeles Times

You are one of the few people who ever tells Carrie what's what, and I've waited 25 years for that.

From Salon

"Sometimes you think he's joking but his questions are completely genuine – you have to tell him what's what and that's how he learns," he told Bore Sul on BBC Radio Cymru.

From BBC