You're going to disappoint the children. They expect a fat Santa.
6 seconds sound clip from the Rudolph the Red-Nosed Reindeer (1964) movie soundboard.
You can hear this line at 00:44:16 in the Blu-ray version of the movie.
Quote context
[...]
- Didn't I ever tell you about bumbles? Bumbles bounce!
- Well, as good as everyone feels, this is no time for celebrating...
- Because the next day is Christmas Eve... The biggest day of the year.
- How can I eat? That silly elf song is driving me crazy.
- You're going to disappoint the children. They expect a fat Santa.
- Well, this is it. The storm won't subside by tonight. We'll have to cancel Christmas.
[...]