Whistle dixie 

What you say to someone who's asked you to do something but there isn't a chance in hell you'll do it

Next time the lam line asks for some glass they can whistle dixie!

Whistle dixie by Soulcide November 20, 2022

dixie whistle 

The sound of a tornado coming to take your house.

Hey maw...better get in the cellar. I hear that damn Dixie Whistle comin'!

dixie whistle by Rancid Crabtree December 14, 2019