1. One of the many sounds that retards make.

2. The sound you might make when imitating someone that just did something retarded (see #1).

3. What you might call someone that just did something really stupid.
*Joe and Tom play some random FPS, split-screen*

*Tom throws a grenade at his own feet, killing himself*

(#2) Joe: Durp Durp! Look at you trying to run, good job retard.

-OR-

(#3) Joe: Tom, you are such a friggin' Durp Durp...
by joes_pizza November 24, 2008
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When someone completely fucks up, so mas say this, imitating a retarded personn
"You come home and see your friend missing a hand, and next to him is a cheese-grater. On the other side of him is a pile of shredded flesh. You may then say 'Nice job, DURP DURP!' "
by Caelocanth March 22, 2010
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Made by me and my friend Kenneth 2 years ago.(origin)his neice Miya always used 2 say durp durp all the time,we didnt think notin of it,until one night we made a concoction and decided 2 name it Durp Durp!!!!!we mixed sprite,tequila,kool-aid mix,tang(4 sum reason),barcardi,and,grey goose,and apple juice! Also U Can Use A Bit of Vanilla Extract!
1st Guy:Man im Bored of this lame shit,Got any thing good 2 drink??

2nd Guy:aight,my boy Freddy Invented This Shit Called Durp Durp!!!!U Gotta Taste This shit!!!
by FreddyC August 11, 2006
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The sound Mandy makes instead of or in place of actual words.
I wanna Durp Durp
by Rnichole January 23, 2018
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Durp Durp when someone act stupid or say or does stupid shit. Or just really retarded. They are a Durp Durp.
Deonte rode my bike to a bar chain it up near all the homeless people. When he came out it was stolen. What was he thinking, he wasnt he is a Durp Durp
by FyahAblaze618 January 3, 2020
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