1. A phrase of agreement. A: "Roberta's photography is so beautiful." B: "And how. I could admire at it all day."
2. A phrase used to emphasize a statement as true. She's a great writer, and how! Her latest short story is wildly inventive.
Inf. I agree! I am really excited you are here. And how! Bill: I am pleased you are here. Bob: Me, too! And how!
Emphatically so. This idiom is an interjection used to stress agreement, as in Did you enjoy the play?-And how! it was wonderful. It probably originated as a direct translation of the German Und wie! [1920s]
exclam. I agree! BILL: I am pleased you are here. BOB: Me, too! And how!