Green’s Dictionary of Slang

1. in combs. meaning a ranger or driver, e.g. bull-puncher under bull n.¹ ; bullock-puncher under bullock n.

2. in combs. meaning a homosexual, e.g. bum-puncher under bum n.¹ ; date puncher under date n.³ ; dung-puncher under dung n.; freckle-puncher under freckle n.

3. see cow-puncher n.