Top Definition
The language in which the ends of certain words and/or syllables are replaced with "-er" to provide an enriching and fulfilling sentence.
"Sclerper derper?"
"Actually, flerper derper skerper, indeed."
Chrilerper tarafından 22 Temmuz 2006, Cumartesi
A person who is a dumbass, schmuck etc.
That guy is such a derper, why is he listening to the backstreet boys?
PJisJesus tarafından 15 Aralık 2007, Cumartesi
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!"
harry couter tarafından 21 Ekim 2008, Salı
A non existent word made up by the "smartest" women in the world, shortly thereafter discredited by the smartest man in the world.
Haha yeah you derper
asdfsdagasdgdsagfdgsadfgewasvc tarafından 10 Ağustos 2012, Cuma
the combo of the Dr. and Pepper in Dr.Pepper derper
man i could use an ice cold derper
mason1991 tarafından 10 Eylül 2008, Çarşamba
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