bronco-buster

"The boss ain't no bronco-buster," remarked Dow, apologetically, to the cowboys.

It was all right once one got on his back, but only an expert bronco buster could do it.

Straddling the plated hide, the great hairy legs gripped the crocodiles sides as a bronco buster grips his fractious mount.

I managed to scramble aboard—something after the fashion of a bronco-buster who mounts at a gallop.

The unpretentious Grant was soon famous throughout the army as a bronco buster, in the sense the term is now familiarly used.