Who's a happy dog? Who's a happy dog?

3 seconds sound clip from the You've Got Mail movie soundboard.

You can hear this line at 00:06:31.432 in the Blu-ray version of the movie.

Quote context

[...]

- Vince got a great review. He'll be insufferable.

- Tonight, PEN dinner.

- Am I going?

- Joe Fox, you promised.

- It's black-tie. Can't I just give money instead?

- What is it this week? 'Free Albanian writers'? I'm in favor of that.

- Okay, I'll go. I'll go. You're late.

- I know, I know.

- Who's a happy dog? Who's a happy dog?

- Welcome. You've got mail. (2)

- Dear friend: I like to start my notes to you as if we're already in the middle of a conversation.

- I pretend that we're the oldest and dearest friends as opposed to what we actually are: People who don't know each other's names, and met in a chat room where we both claimed we'd never been before.

- 'What will NY152 say today?' I wonder.

[...]