Who? You... you mean, you're Emily's boy?
5 seconds sound clip from the The Loved One (1965) movie soundboard.
You can hear this line at 00:06:49 in the Blu-ray version of the movie.
Quote context
[...]
- You just turn him loose, D.J. Jr., and I'll try to ride him.
- OK. Harry? Look, this is your baby. I'll tell you what I want you to do. Hold it, fellas.
- Who? Oh, yeah. Yeah... just a minute. Frank... It's for you.
- For me? How very embarrassing. I can't imagine who.
- Hello? Yes, speaking. Who? Barlow?
- Who? You... you mean, you're Emily's boy?
- Good heavens, what on earth are you doing out here?
- You'll excuse me, won't you, gentlemen? I seem to have inherited an nephew.
- Yeah. go ahead, Frank. Go right ahead.
[...]