To herd or drive cattle (1890+)
He used to punch cows up there and he knows all kinds of holes to hide in.
"I'd 'a been a real Doc if I hadn't left college like a fool to punch cows,—you've got to keep still, Jim," he chided.
"Well, I—er—I punch cows," he admitted guardedly, his gaze elsewhere than on her face.
"We're goin' to punch cows again, that's what we're to do," answered Bigfoot dismally.
An' I say if you can cook or pack or punch cows or 'most anythin' you'll find a bunk with Old Bill.