South Florida expression: Noun: one who screws up majorly. Verb: to screw up majorly.
Noun: I forgot to kill the cat. I'm such a derp!
Verb: I didn't kill the cat. I derped!
door Colon Farrell 30 maart 2015
noun- A slang phrase to say or include when the topic being discussed is random, funny, or really stupid to the point that it is hilarious.
"I'm publishing this really funny picture of a chicken"
"You should caption it with derp, that will make it at least 5 times funnier!"
door DerpyCoal 5 maart 2015
Making a stupid face
William made a derp face
door xmilisnotonfirex 19 februari 2015
an expression of stupidity (noun)
an act of stupidity (verb)
AJ Fleming loves to say derp; one of his favorite things to say is "Obama derped up the government."
door Avrum F., my fake name 9 maart 2012
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-
door chaosweapon1 12 maart 2011
1, an exclaimation made after a moment of incredible stupidity or massive failure.

2, a facial expression with crazy eyes and a stupid lip.

3, when accompanied by a " :3 " indicates happy moment, or blushing with out making the user feel as stupid as they would if they wrote *blush*
guy 1 "she's fiiiiiiine, think I'll get any tonight?"

guy 2 "she's a lesbian."

*derp*
door omnomnomkittiez 8 januari 2011
A word utterred when one screws up. origin: Matt Stone and Trey Parker in BASEketball. Used as an interjection.
(Imagine a scene where a guy is sniffing a girl's underwear, only to discover it is her mom's) DERP!
door Broc 6 maart 2004
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