WordWeb Online

1. A male child (a familiar term of address to a boy)
   - cub, lad [informal], laddie [UK, informal], sonny, sonny boy, son [informal]
    
2. A boy or man
   "you lucky boyo";
   - chap [Brit, informal], fellow, feller [non-standard], fella [informal], lad [informal], gent [informal], blighter [Brit, informal], cuss [informal], bloke [Brit, informal], bucko [informal], dog [informal]

Derived forms: boyos

Type of: boy, male, male child, male person

Encyclopedia: Boyo, Central African Republic