bucko From WikiWord, the free dictionary /ˈbʌkoʊ/ English Contents DefinitionsRelated wordsReferences DefinitionsnounBuckaroo.Young lad, friend, pal (used in addressing someone). Related wordsSynonymsladfellabuddyamigofriendmugpalbuckaroobuckayrobuckarettebuckarooniesbuckbuckrakillbuckbuckeyebuckyAssociatedjingleorrmcdonaldminelakeplayerwongamesRhymesstuccoglycoglyco-a coca coduc comaharashtra cothe cotruck co References Wiktionary — bucko Wikipedia — bucko