I'm so glad that you've decided to join us. In fact, I'm tickled pink, (if you'll) 'excuse the expression'.
When you first told me your plan, I thought you were, 'pardon the expression', crazy.
She is always looking for new ways to 'give expression to' [=to express] her ideas.
(..) And you must be Miss Granger. Yes, Draco has told me all about you. And your parents. Muggles, aren't they? Let me see. Red hair, vacant expressions. . . . . .tatty, secondhand book. You must be the Weasleys. lt's mad in here. Let's go outside. -Well, well, well. Weasley senior. (..)2002 Harry Potter and the Chamber of Secrets