An overused and misused phrase popularized by The Big Band Theory. People have steadily increased its use and the ranges of its meaning, its original meaning was to accompany a prank or some sort of fooling. In modern times 'Bazinga' has been used as a sort of "Sounds good!" or a "Sweet".
Guy 1: "Yeah man I just got an A on that Biochemistry final!"
Guy 2: "Bazinga!"
Guy 1:"....I've lost all respect for you"
Guy 2: "Bazinga!"
Guy 1:"....I've lost all respect for you"
by Guy 1. January 20, 2012