A closer look

Under many international traffic and penal codes, you can absolutely be arrested and charged with a DUI for aggressively riding a horse while heavily intoxicated. Because a horse is legally classified as a mode of transportation and the rider is technically the operator steering the vehicle on public roads, the police will eagerly write you a ticket for being completely drunk in the saddle. It creates a fascinating legal loophole where your actual mode of transit has its own functioning brain and could technically find its way back to the barn completely unassisted. Explaining to a judge that your biological four-legged vehicle was perfectly sober while you were actively vomiting in the bushes is an incredibly tough legal defense to successfully execute in a modern courtroom