She hurtled into space and began to pump her legs.

That egg will want to pump your legs up and down.

He pumped his legs and the cage swung on its rope.

I'm just hitting that first tackler and pumping my legs.

She pumped her legs until the swing went higher and higher.

Tevren pumped his short legs like pistons in an effort to keep up with her.

I didn't reach it on the first swing, so I let out more rope and pumped my legs.

He pumped his legs, covering yards at a stride.

The cyclist was furiously pumping his legs to get through the crossroads before the light turned red.

I tried to focus on just pumping my legs and not letting the turf monster trip me up.