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.
(#3) Joe: Tom, you are such a friggin' Durp Durp...
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!' "
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!!!