1 definition by an edgy 11 year old

Something you say when:
-Someone does/says somthing stupid
-You'e stuck with a noob (n00b)
-You are stuck doing something absolutely fucking horrible
-You come into contact with derp or anything derpy.
-derpo: What does ice cream taste like?
you: Derrrrrp

-n00b: h3llo r4nd0m p3rs0n wu75^ im d0|ng g00d wu7 @b0u7 ucr@zyp3r$0n
you: y0u $cr3@m!ng DERP 0f@ n00b

-person: go jump in a pool of sharks
you: go fuck yourself with a big stick, you fucking derp!

-derpyperson: you're so herpy-derpy!
you: DERRRRRRRRRP ON YOU, YOU DERPY DERP!
by an edgy 11 year old June 19, 2015
Get the Derp mug.