ball of fire
ball of fire definition by American Heritage Dictionary
noun pl. balls of fireThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A highly energetic or dynamic person. Also called fireball.
ball of fire - Phrases/Idioms
A dynamic, energetic, and successful individual, as in I hope Pat joins us; she's a real ball of fire. [Slang; early 1800s]