1. A male child (a familiar term of address to a boy)
   "Come here, sonny, and let me tell you a story";
   - cub, lad [informal], laddie [UK, informal], sonny boy, boyo [UK, Ireland], son [informal]

Sounds like:

Derived forms: sonnies

Type of: boy, male child

Encyclopedia: Sonny, the Cocoa Puffs Bird