bully boy noun2 •A tough, aggressive man, especially one who is young.Back in the Mussolini era, Carlo Corbisiero, part-time barber, brawler and bully boy of the village of Marzano di Nola, near Naples, was pretty proud of his nickname—"Crackshot." — 1953 •(old-fashioned) A familiar male associate who is regarded rather fondly, especially one who is spirited and genial."Then, boys, here's to the health of Mr. Ferguson. He's a bully boy, and no coward." — 1878 formsbully boys · bully-boys