"What's the difference? You're their all-time best seller."

No thanks but I don't drink

wit of the staircase: repartee thought of only too late, on the way home

Only had to look it up because I always think of my repartees right on time.

And obviously we all know the definition of repartee:

conversation or speech characterized by quick, witty comments or replies

We, we. I've dropped many an undergarment once I started speaking baguette.