When someone is acting like something (a dick) is up their ass, you tell them to shit a Richard. Another way of telling them to get their panties out of a bunch.
Person #1: "I think Donkey Kong is the greatest game ever made."
Person #2: "I think I'm gonna have to disagree."
Person #1: "HEY, FUCK YOU MANG!"
Person #2: "Ooh, go shit a Richard!"