He sprang to his sleigh, to his team gave a whistle, and away they all flew like the down of a thistle.
8 seconds sound clip from the 'Twas the Night Before Christmas (1974) movie soundboard.
You can hear this line at 00:22:58.052 in the Blu-ray version of the movie.
Quote context
[...]
- He had a broad face and a round little belly that shook when he laughed like a bowl full of jelly.
- He was chubby and plump, a right jolly old elf, and I laughed when I saw him in spite of myself.
- A wink of his eye, and a twist of his head, soon gave me to know I had nothing to dread.
- And laying his finger aside of his nose, and giving a nod, up the chimney he rose.
- But I heard him exclaim, ere he drove out of sight...
- Happy Christmas to all, and to all a good night!
[...]