BUCKO Meaning of BUCKO in English /buk"oh/ , n. , pl. buckoes . 1. Chiefly Irish Eng. young fellow; chap; young companion. 2. Brit. Slang. a swaggering fellow. [ 1880-85; BUCK 1 + -O ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012