Kaley Cuoco uses a crude joke to confirm a same-sex romance between Harley Quinn and Poison Ivy

Metro

"Let me put it this way: Harley’s gonna need some calamine lotion," she teased to Conan O'Brien, adding: "That was a funny joke! I just thought of that off the top of my head." ALSO: Cuoco has begun watching Cheers after frequently hearing about Sam and Diane while filming The Big Bang Theory.