That is, until now.
The company’s slogan is, “If it’s funny, it’s a Bazinga!”
“Interesting,” observes Sheldon.

Darren Michaels/Warner Bros. Entertainment Inc.
Every time Sheldon “nails” his prey, he proudly proclaims, “bazinga!”
By the end of the episode, he tricks his sister into sitting on a whoopee cushion.

CBS