whippy

Those numbers came in Taillon’s time as a pitcher with a long, whippy arm motion.

“We’re getting into the Wild West territory where it becomes more whippy.”

Higher up, the elm branches became thin and whippy, not strong enough to support the plank’s weight.

But when the van emblazoned with Disney characters and a "super whippy" sign failed to pull over, a chase ensued.

For instance, some bacteria have flagella, or long, whippy tails rotated by motors.