attaboy /ˈætəˌbɔɪ/exclamation 1noun 1forms 1 exclamation1 •(informal) Used to show encouragement or approval to a boy, man, or male animal.Attaboy! That's the way to hit a home run! noun1 •A cry of encouragement; an accolade.LOS ANGELES, June 29 — Drink in hand, attaboys coming at him from every direction, Tom DeSanto was living the fanboy dream. — 2007 formsattaboys
