bazinga /bəˈzɪŋɡə/exclamation 3noun 1forms 1 exclamation3 •Exclamation indicating a successful trick or prank.Once again, you’ve fallen for one of my classic pranks. Bazinga! — 2009 •Exclamation indicating a successful outcome or sudden realization.I have never gotten anything less than an A- when poster board is involved. So — bazinga! I'd make a poster of the life and times of Markie's family. Guaranteed to melt his parents' hearts. — 2012 •Exclamation acknowledging a witty remark. noun1 •(informal) A thingamabob, a placeholder word for any unknown or nonspecific object.Anyone have a good guess as to what the bazinga is that I've crudely circled in this photo? — 2003 formsbazingas