bazingga?
recently, i'm addicted to"the big bang theory",and i found sheldon always say the word "bazingga" in the second season, so what does it exactly mean? originate where?

Question

bazingga? 
 recently, i'm addicted to"the big bang theory",and i found sheldon always say the  word "bazingga"  in the second season,  so what does it exactly mean? originate where?

Answer

Hi May

It's a great show!

I'm not sure it is an actually word, but he uses it a lot after one of his jokes/tricks on Leonard and in this context it probably means "gotcha".

With the characters being "nerds" it probably has some origin in computer gaming.