look up any word, like bae:
 
7.
1) The sound of a Brain-fart, usually when a fairly smart person says something that's rather silly by accident or the wrong word or can't think of what to say.

2) Breaking something or crashing into something due to thinking too much.

3) Being silly and not caring what other people think of you. See dork
"It'd work better if you used contrasting colors. No, not contrasting -- Contrasting. Not contrasting! You should use contrast-gah! Do you know what I'm trying to say?"
"Complimentary?"
"Derp! YES! THANK YOU!"

"Did you hear the professor walked into a wall today while working on his latest thesis?"
"Ha! No I didn't. He's such a derp"
by mindthederpface March 28, 2013
67 60
 
15.
a person who acts strange,weird, and/or random, usually quite fun to be around due to the fact that this person is an oddball and does and/or says interesting things.
derp: -randomly shouts in the middle of the sidewalk- "Who put this beaver in my pillowcase!!!!"

-friends laugh and giggle-
by chaosweapon1 March 12, 2011
380 382
 
16.
As used to describe a person who acts like, well....like a Dumb Egotistical Retrograde Prick. Give 'em a hammer. They'll do the rest.
This guy is a total DERP.
by mtnmedic January 08, 2014
14 16
 
17.
Someone who is generally awkward. Stands around awkwardly and makes everyone around him tense. A derp often is the type that tries to do something cool/risky and fails horribly the first time.
Person 1: "Whoa he managed to crash his dad's car the first time he drove it?"
Person 2: "Yeah, he's a derp."
by killacam53 March 25, 2013
9 12
 
18.
See also herp:

Derp is a word that can replace anything in a sentence. It is somewhat of an everyword, such as fuck. Derp is most commonly used in le rage comics.
"Yo Derphina"
"Lets go to the herp n Derp"
"you look so derpy"
by Zombies<3 October 23, 2011
16 19
 
19.
From the Online multi-player game, World of Tanks, it refers to the biggest and most explosive slowly reloading gun that one can have for a particular tank.
Hey, do you have derp on that KV tank? No, I have the stock gun. Noob.
by SiemaUSA October 15, 2011
61 64
 
20.
derp-Interjection

Used when replying to a previous statement that is either 1)irrelevant, 2)unintelligible or 3)pointless.
1) following a conversation that had revolved around riced out cars, Jim adds:
"Does anyone else think that corn dogs looks like rats having sex?"
-DERP!

Jim after smoking weed:

"I woke up, or was I already awake? It doesn't matter because THE CAT WAS STILL sleeping!!! ISN'T that odd?
-DERP

3)The sun hurts eyes!
-DERP!
by DFreshalot September 28, 2011
11 14
 
21.
Someone who defies the laws of stupidity by being really, really stupid and derpy.
Melinda: I made a character named Aaron Brancher. He's going to be a rancher!
Friend: God, Melinda. You're such a derp.
by camille is black May 18, 2011
28 31