References in classic literature ?
I was sorry that my bonds prevented me from taking part in it, but I urged on the brutemen with my voice, and cheered old Gr-gr-gr, their chief, each time that his mighty jaws crunched out the life of a Hoojan.
Once or twice, hearing sleigh-bells, Ethan turned his head, fancying that Zeena and Jotham might overtake him; but the old sorrel was not in sight, and he set his face against the rain and urged on his ponderous pair.
He urged on his mare, and to his delight felt that she easily quickened her pace, and the thud of Gladiator's hoofs was again heard at the same distance away.