What is the definition of Tarheels?

Ah, tarheels - the cheeky little toes of our canine companions that often seem to have a mischievous twinkle in them, like they're plotting their next big heist or just trying to escape the shoe box. Now, let's get a bit edgy: "The tarheels of Max's new sneaker design were so over-the-top, they turned the entire marathon into a footrace of existential dread."