Usually a dumb kid with less knowledge then others, usually temporary, but can sometimes be forever.
yo dawg that kid was derp fo shure
A person that gives off dweeb energy. A mix of a dweeb, geek, and a dork.
Men- Derp
Women- Derpette
Why does that guy walk like that? He’s such a DERP.
Da best person thing in the whole wide world.
I’m a derp because ur stupid and I’m better than u