knowing what's what

A short cut to knowing what's what, if you like.

We walk in not knowing what's what and the place is nuts.

Everyone in the group is pretty new here, so you don't have to worry about not knowing what's what.

Talkin' to this same German—He's always pumpin' me about the Suffragettes so I occasionally put a question or so to 'im, 'e knowing 'what's, what' in the money market—'e says to me just before I come over, 'What's your English proverb, Madame Varennes, about 'avin' all your eggs in one basket?

Mrs. Effie, she gets up about nine of them pictures, with nuts and grated eggs and scrambled tomatoes all over 'em, and nobody knowing what's what, and even when you strike one that tastes good they's only a dab of it and you mustn't ask for any more.