Noun. Someone who is slow, spasticated, handicapped or in any way mentally retarded.
Also an exclamation at one's own stupidity or the stupidity of a close party. Normally "hurpa-durpa-durp" (with added '-adurp's for added emphasis). Must be said in the fashion of a mongoloid.
Not to be confused with "hinga-dinga-durgen".
A: "Is like a turtle and a tortoise different cuz ones a reptile and da ova is a bird?"
B: "Stop being such a hurpadurp."
A: "OMG! Them things are liek only £20!"
B: "No, it says they're £200!"
A: "O right, I see... hurpa-durpa-durpa-durpa!!! *X-z*"
When a person says Durpadurp it often means that the person saying this is coming out of the closest, but doesn't quite know how to express himself so he says durpadurp
Kumar put the word durpadurp into urban dictionary so he can call jamal and chevreau fags for saying Durpadurp
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".