A fork of Rural Dictionary
An expression used when a person, or yourself, has done somthing extremely stupid and dopey
Person 1: Dude, I just hit my head on the door.
Person 2: HERP DERP.
the answer for every physics problem according to idiot hipsters that think they are so cool
Q: What is the force of gravity?
A: herp-derp
Teacher: you're a moron
Something idiots say. Usually it is supposed to indicate stupidity in somebody else, but the person saying it is usually the dumb one.