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4.
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
 
1.
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 23, 2008
 
2.
A phrase invented to add pizzaz and uniqueness to any sentence. Also commonly used by people who are overly nervous and have no self esteem.
"Umm..DurpDurp, i belive that uhh Durp, you were saying umm..Durp."
by baalleettbabe01 April 30, 2009
 
3.
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