Kolla upp vilket ord som helst, t.ex. half chub:
 
2.
A person who is a dumbass, schmuck etc.
That guy is such a derper, why is he listening to the backstreet boys?
av PJisJesus 15 december 2007
 
1.
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."
av Chrilerper 22 juli 2006
 
3.
A herpderper.
Derper is herpin' & derpin' all the ding dong day.
av herpderper420 18 augusti 2011
 
4.
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
av asdfsdagasdgdsagfdgsadfgewasvc 10 augusti 2012
 
5.
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!"
av harry couter 21 oktober 2008
 
6.
the combo of the Dr. and Pepper in Dr.Pepper derper
man i could use an ice cold derper
av mason1991 10 september 2008