A derpy vagina that during intercourse will have a muscle spas and suffocate the male genitalia it is usually very painful for both party's and can also result in a early mensturl cycle
Dude, yesterday I was banging Cindy and she had a derp twad and my dick hurt so bad and she bled on me!
by Footballnick77 June 25, 2014

1)Some one who is a either a retard or stupid looking
2) Something random to say in a awkward situation
2) Something random to say in a awkward situation
Look at that guy being a derp.
That derp is giving me eye cancer from looking at him.
Person: I'm Bi
Person 2: DERP
That derp is giving me eye cancer from looking at him.
Person: I'm Bi
Person 2: DERP
by Moosic June 10, 2016

To wander around, somewhat aimlessly, in the pursuit of investigating something or satiating a curiosity.
Wanna go derp around that old hotel? Let's see how many pools we can find.
Yeah, Sophie and Nora were just derping around Manchvegas. They got slushies and found this cool spice shop off Valley Street .
What are you doing? Oh, just derping around online.
Yeah, Sophie and Nora were just derping around Manchvegas. They got slushies and found this cool spice shop off Valley Street .
What are you doing? Oh, just derping around online.
by vivelavivie September 23, 2019

by BoozerRulzz November 12, 2018

someone who couch surfs, is hairy and loves cats. Also probably skateboards, and smokes insanely large amounts of weed that they never pay for.
by Billymazehere1021 March 4, 2018

by Shinyourdig September 22, 2021
