Bad to Worse (Revised 2018 )
I foresaw of a son and his father becoming two new strong donkey jacks to hate and feel jealous of each the other.
Exotic Pets & Companions, Inc., Jack V-24
He could even be used for breeding as his loins contained pure equine sperm, his animal gene donor was a prize winning donkey jack, and his loins produce the same seed as the donor.
The Karn Dominion, The Hybrid War, Robert the Pony
I was the only stallion except for a donkey jack, and even though the mares outweighed me they seemed to instinctively let me take charge and i felt compelled to do so. even the other animals began to look to me for leadership.
That Time of Year (Again)
She turned around and saw her tall and well-toned partner, a donkey jack wearing only assless chaps, an open-front leather vest, and a wide-brimmed hat. he was chewing on a single strand of hay to really nail the look of a stereotypical cowboy.
Corrupted Ambitions
Derek was just feeling his nostrils tingling when the donkey jack mounted him and began sliding up his torso. "not like this, not like this," derek whimpered meekly.