Knock Knock Penny Adult T-shirt

Size S M L XL 2X 3X

COLOR Black Red

Knock, knock, knock, "Penny?" Any fan of the hit sitcom "The Big Bang Theory" will instantly recognize Sheldon's trademark knocking pattern from his frequent visits to Penny's apartment. Order your t-shirt now, and start annoying your neighbors with your attire in addition to your Asperger's.