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4.
a phrase used when someone makes a mistake, or says or does something stupid or ridiculous.
shannon: i wonder what frozen ice cream tastes like... ?

peta: derp
by A+inprocrastination June 07, 2011
443 380
 
29.
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."
by Avrum F., my fake name March 09, 2012
24 28
 
30.
a word to say in place of other words. can be used as any part of speech. it is usually used as an interjection.
guy 1: Aw dude! i blew myself up in minecraft!
guy 2: haha derp!
guy 1: shut up your a derp garrett
guy 2:well your more derpy than anyone i know!
by mwahahaiwillruletheworld December 13, 2011
24 28
 
31.
a stupid person, or action
"Danny, your being a huge derp right now.
by MrSexy282 May 21, 2010
21 25
 
32.
1: The word that describes a particularly retarded face: A retarded smile, and the eyes pointing in different directions.

2: A word merely used as filler
1: Used in a picture (let's use the megaman image just for the hell of it), derp is the quintessential word for itself. 'Nuff said.

2: Person 1: "So... I'm bored"

*5 minutes later*

Person 1: "Derp..."

Person 2: "Yeah"
by aliatos August 23, 2009
2779 2783
 
33.
Describes a person who usually adds retarted remarks or statements to a conversation. The speaker is usually mocked and teased afterwards and sometimes forced to wear a DERP HAT and told they are full of Derp or the derp is strong with them
A person spots the obvious during a conversation, everybody then says to the person HURR DERPA, HERPA DERPA HERPA HURR. HERPY DERPY HURR.
by DERPA Herpa April 30, 2009
56 60
 
34.
Expression used in multiple ways. Usually used to describe an obvious or stupid situation.
Example 1: "Monica is meeting us at 7pm here" "What time?" "Derp"
by Zack Alv March 25, 2008
38 42
 
35.
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!
by Broc March 06, 2004
3156 3160