Call people you once worked with and take them to lunch.
They told me you were out to lunch, but would be back by half past two.
We have to go out to lunch so I can tell you about him.
Then we put you on hold for an hour and go to lunch.
She takes Tom out to lunch to learn more about him.
The best thing would have been to take his wife out to lunch.
I should have gone looking for her to go out to lunch with me.
Perhaps you will go to lunch and not talk about the case some more.
He was outside my office when I went to lunch.
On the first day of his new job, go out to lunch.