"Herpinus Derpino" is a powerful spell that causes its victim to become dull and silly, like a derp.
by TonyBony May 16, 2019
Get the Herpinus Derpinomug. by TonyBony December 12, 2017
Get the Derpidoomug. Get the Herpinus Derpinomug. Get the Derpidoomug.