by PJisJesus December 15, 2007
The language in which the ends of certain words and/or syllables are replaced with "-er" to provide an enriching and fulfilling sentence.
by Chrilerper July 23, 2006
A herpderper.
by herpderper420 August 19, 2011
A non existent word made up by the "smartest" women in the world, shortly thereafter discredited by the smartest man in the world.
by asdfsdagasdgdsagfdgsadfgewasvc August 10, 2012
a person who cums too early; or someone who fucks it up, can be used in many different scenarios. refer to example
"Man I really derped that exam"
"He's terrible in bed, such a derper"
or just plain "you fuckin derper!"
"He's terrible in bed, such a derper"
or just plain "you fuckin derper!"
by harry couter October 22, 2008
by Viking990 June 2, 2018