Like those metal balls that go sliding across the inside of a pinball machine, Sheldon's eyes rolled up from the flat screen and around to Penny's, which required tilting his head rather far back. He didn't like bending his neck that way, she could tell, but she knew if she stayed put he'd go to extra effort just to get a good glare in. He had succeeded and was glaring at her now, upside down.
More Big Bang theory fanart. Done for ~rashaka