powerhouse
human dynamo
ball of fire
fireball

Described as a "human dynamo", Rylah had great capacity for work.

Taylor sounds very much like a human dynamo while Lyons' solos are full of fragile beauty.

That accident had somehow turned him into a human dynamo, able to harness and project the power of electricity.

Clinton had his own special attributes: he was a human dynamo, always in motion.

Gerald considered his mother "a human dynamo in a womanly way" and revered his stepfather.

For at least forty of his sixty years Potter was a human dynamo, the closest thing to perpetual energy this side of the sun.

One writer who saw him play wrote: "He was a human dynamo on the basketball floor.

John Motson once said 'This man is like a little human dynamo.

In English we would say she is a human dynamo.

Like a flash, the slow-moving Fondelac became a human dynamo.