DERP is now in a dictionary.
derp
derp [dərp]
EXCLAMATION
used as a substitute for speech regarded as meaningless or stupid, or to comment on a foolish or stupid action:
“Lower tax rates and far lower job creation. Derp” · [more]
NOUN
foolishness or stupidity:
“the derp heard outside apparently was only the tip of the iceberg”
Mark