Welcome to the world of sheldon cooper from the big bang theory with his famous phrase bazinga he says this whenever he makes a practical joke to someone in the show this womens t shirt features a circular design with a lightning bolt in orangeyellow and the word bazinga over the top in white red and yellow colours this is an american show on cbs about five roommates leonard sheldon penny howard and raj the totally geeky intellect of the guys is contrasted for comic effect with penny