The Zoomies: noun, \ˈzüm-ēz\ The state in which a dog acts like a complete maniac– happy hyperactive Tasmanian devils.
Nothing defines this term better than the hilarious pups below:
Tink the Pomeranian is a victim of the happy zoomies as well. His strain is called “The Dog Park Zoomies.”
Main image from Cheezburger.