Foto Fix: Defining Derp

When the kids come home speaking in tongues i.e... brandishing a new slang word in their vocabulary that I've never heard of, I often tend to go in search of meanings and definitions. This time was no exception...

So what exactly is Derp?
Derp is an expression associated with stupidity, much like the earlier forms of “duh” and “dur.”

Derp = Duh!