Oat-burner

He's not just your basic oat-burner who runs because he's taught to.

Source: wiktionary

“I'd like to see his face when Taral puts the collar on that oat-burner in the stretch,” he says. “That boy can make a horse run backwards.”

Source: wiktionary

We'll never make hundreds of miles on this oat-burner. He'll still be close enough to his own farm that someone will recognize him eventually.

Source: wiktionary

Even though we were dead serious about this oat-burner, the home audiences probably collapsed when, along with the Old West dialogue and scenes, they heard the honking and screeching noises of automobiles or the roaring of airplanes overhead.

Source: wiktionary