Spit-fire

He was a spit-fire! The typical little boy just on the verge of spilling out the dozens of words he'd accumulated, a cascade of sounds as he chattered from dawn to dusk.

Source: wiktionary

Even the trailer for the film did not attempt to hide a connection with Gone with the Wind, proclaiming that the story was “a scarlet portrait of a gorgeous spit-fire.”

Source: wiktionary

And Harlan to report me, when he helped her break 'em. The little spit-fire!

Source: wiktionary

Also the use of spit-fires for barbecueing meats in view of the customer serves a dual purpose of attracting customers as well as cooking.

Source: wiktionary