Holly's snowflakes won't melt.
4 seconds sound clip from the Jack Frost (1979) movie soundboard.
You can hear this line at 00:14:34 in the Blu-ray version of the movie.
Quote context
[...]
- Jack Frost, what are you doing back? It's not even Christmas.
- Don't worry. I've got everything frosted down there.
- Holly's snowflakes won't melt.
- But you shouldn't be up here now. Father Winter will be very angry.
- I can't help that. I want to ask him a favour.
- You're going to bother Father Winter with favors? Right in the middle of the busy season?
[...]