by Derp1701 August 5, 2012
Get the Derpmug. by boreragnarog December 4, 2020
Get the derpingmug. Usually a dumb kid with less knowledge then others, usually temporary, but can sometimes be forever.
by antl3r September 18, 2016
Get the derpmug. by the dear leader 123 December 3, 2020
Get the Derppingmug. by Ink Freak December 30, 2017
Get the Derp Bonermug. 
