I'll see what's keeping Mama.
4 seconds sound clip from the The Philadelphia Story movie soundboard.
You can hear this line at 00:30:22 in the Blu-ray version of the movie.
Quote context
[...]
- Well, that is an odd question, I must say.
- Well, I don't see why. I think it's very interesting.
- Don't you agree that if a man says he loves a girl he ought to marry her?
- Please, Mr. Connor. I asked Miss Imbrie a question.
- I'll see what's keeping Mama.
- Look, who's doing the interviewing here?
- You don't suppose she caught on somehow?
- No, no. She was born that way. Now, don't let her throw you.
[...]