noun, plural buck·oes.
Examples from the Web for bucko
"The bucko pea-jammer that I gave a lickin' to in the spring, for sure," said McGinnis.The Boy With the U. S. Foresters|Francis Rolt-Wheeler
The bucko didn't sabe English, maybe, but a forty-four gun is easy translated in any language.Plain Mary Smith|Henry Wallace Phillips
When I do land on your back I'll make you sorry you didn't stand still, my bucko.Ted Strong in Montana|Edward C. Taylor
I was second mate, and, having won my berth in deep water, thought I was something of a bucko; but I found my masters there.The Grain Ship|Morgan Robertson
And let all the bruising bosuns and bucko ship's officers afloat jump on me, but give me that and I'll take a chance.Wide Courses|James Brendan Connolly
British Dictionary definitions for bucko
noun plural -oes
Word Origin and History for bucko
term of address, originally (1883) nautical and with a sense of "swaggering, domineering fellow." Probably from buck (n.1) in the slang sense of "a blood or choice spirit."
There are in London divers lodges or societies of Bucks, formed in imitation of the Free Masons: one was held at the Rose, in Monkwell-street, about the year 1705. The president is styled the Grand Buck. ["Dictionary of the Vulgar Tongue," 1811]