bucko

The captain is a hard nut and the mates are both of the ‘bucko’ type.

McCune, from the supposed security of the foretop-gallant yard, had cursed him for a black-hearted bucko.

Paul was a "white water bucko" and rode water so rough it would tear an ordinary man in two to drink out of the river.

I may be a bucko, and I may be drunk to-night, but I know a man when I see one.

My Bucko Bill, you're right now picked for the drive, an' I'll see to it myself that you git yourn in the river.