Definition of "jinkies"

Jinkies! Tweety's Back!

2004, Scooby-Doo 2: Monsters Unleashed

“Jinkies, Holly,” I said calmly. “Hold your horses.”

2004, Jerrilyn Farmer, Mumbo Gumbo: A Madeline Bean Novel‎, page 104

"Jinkies, that's the man from the dart game!" Velma exclaimed.

1999, Scooby-Doo‎, Golden Books