A fork of Rural Dictionary
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!"
A herpderper.
Derper is herpin' & derpin' all the ding dong day.
A non existent word made up by the "smartest" women in the world, shortly thereafter discredited by the smartest man in the world.