The definition of a bucko is a bossy person.
An example of bucko is someone who rudely tells others what to do.
- Naut., Slang a blustering or swaggering fellow; bully
- a young man; fellow: an Irishism often used in familiar address
Origin of bucko; from buck
nounpl. buck·oes or buck·os
- A blustering or bossy person.
- Irish A young man; a lad.
Origin of buckoAlteration of buck1.
(plural buckos or buckoes)
- young lad; friend, pal (used in addressing someone)