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.
(..) outmoded social conventions. I can see that. Do you ask men to dance with you? Isn't it time you realised that dancing is nothing more than a form of expression or release? There's no need to be formal or cute about it. As a matter of fact, I rather feel Iike expressing myself now. (..)1957 Funny Face