Just who the heck are you and what is your problem?
5 seconds sound clip from the Elf (2003) movie soundboard.
You can hear this line at 00:39:38 in the Blu-ray version of the movie.
Quote context
[...]
- Yeah?
- Dad! I knew that you'd come. I love you for coming.
- Just who the heck are you and what is your problem?
- Wait. Um... Tell me, where'd you get this picture?
- What is this, some kind of game? What do you want, some money?
- No. I just wanted to meet you and I thought you might wanna meet me.
[...]