Bucko

//ˈbʌkəʊ// name, noun, slang

name, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A boastful or bullying man. also, attributive, informal

    "A far cry from the miserable existance^([sic – meaning existence]) of the common sailor brought about by bucko mates and bible preaching captains on the large ocean-going vessels, life aboard a doghole wasn't for everyone and losing your ship on the rocks or being rolled like a cork on a big wave chased many back to the open sea with an indelible meaning of the expression 'doghole' forever stamped in their minds."

  2. 2
    Used as a term of address: young lad, friend, pal. informal

    "He did an imitation of a pirate: "Arr, Arr, Arr, me buckos.""

Proper Noun
  1. 1
    A surname from Czech.

Example

More examples

"Hold on, bucko. Let me see what you got there."

Etymology

From buck (“male antelope, deer, etc.; adventurous or high-spirited young man”) + -o (colloquializing suffix).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.