- The definition of a bucko is a bossy person.
An example of bucko is someone who rudely tells others what to do.
bucko definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
bucko definition by American Heritage Dictionary
noun pl. buck·oes or buck·os
- A blustering or bossy person.
- Irish A young man; a lad.
Origin: Alteration of buck1.