Wiktionary
alt. 1 A tough, aggressive man, especially one who is young. 2 (context dated English) A familiar male associate who is regarded rather fondly, especially one who is spirited and genial. n. 1 A tough, aggressive man, especially one who is young. 2 (context dated English) A familiar male associate who is regarded rather fondly, especially one who is spirited and genial.
Wikipedia
Bully Boy is a play by British-Danish playwright and comedian Sandi Toksvig. The show opened at the Nuffield Theatre in Southampton, on 13 May 2011, with Anthony Andrews as Major Oscar Hadley and Joshua Miles as Private Eddie Clark. The play then launched the debut season of St James Theatre in September 2012, the first new West End theatre to open in 30 years.
Usage examples of "bully boy".
Or a bully boy who shoves little kids around -- I can arrange for him to twist his ankle or trip and fall headlong right as he's going after a kid, make him look bad in front of everybody or distract him with a little pain.
A bully boy on the march, power hungry and complacent, a trampler of little men.
Billy boy the bully boy, whose word was death for clones and espers and anyone else who got in his way.