What's Sheldon Cooper's favorite catch phrase? BAZINGA! If you're looking to pull a couple of excellent pranks or tell a few hilarious jokes, why not do it in style? These officially licensed Big Bang Theory t-shirts feature Sheldon's popular catch phrase in four different color varieties with striped sleeves. If you're a fan of The Big Bang Theory, check out our Bazinga t-shirts today! Adult 100% Soft, Thin Cotton Fitted Features stripes on the sleeves Officially Licensed Athletic Fit More Big Bang Theory items: Big Bang Theory Merchandise Size chart