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 a fan of frost April 29, 2021
Get the derp boysmug. Something you say when your friends or people around you say something so stupid that it's hard to think of why they said that
by TheOnlyNate December 31, 2016
Get the Derpmug. by E12345678 May 28, 2021
Get the derpmug. 
