wrestle (a steer) to the ground by holding its horns and twisting its neck

Cal was bulldogging a mean steer

I bulldogged and rode broncos

cowboys compete in bulldogging and bareback riding

a dog of a sturdy smooth-haired breed with a large head and powerful protruding lower jaw, a flat wrinkled face, and a broad chest

(at Oxford and Cambridge Universities) an official responsible for assisting the proctors, especially in disciplinary matters