Shake his hand.
3 seconds sound clip from the Home Alone 2: Lost in New York movie soundboard.
You can hear this line at 00:46:49 in the Blu-ray version of the movie.
Quote context
[...]
- All right, so what's the plan?
- Everybody leaves for a nice holiday off. We come out of our little houses...
- We empty the registers and walk out like we own the joint.
- Well, now, thank you and merry Christmas. Say hello to the family.
- In New York? Sir, I'm afraid of my own shadow.
[...]