(n) /dur/ - term initially made to be used as a remark to something stupid, but now a widespread phenomenom that is now more overplayed than "yeah" by usher.
by Blevin Ridaz April 26, 2005

another word for duh. when someone says something idiotic, and you want to say "duh" in a much more sophisticated way, you should say "derr"
by Anonymous January 29, 2003

pronounced: Duhr, or durr. a "derr" is a person with special needs, or a person who is acting idiotic.
"you're a derr", "look at that derr", "Derr"!!
by Justin Martin November 06, 2006

derr I'm kate perry, i think that i have a massive bust
derr I'm legal system, I give criminals rights
derr I'm legal system, I give criminals rights
by tehleetx0r August 17, 2009

by vannyzane October 07, 2011

by Haley the Great December 16, 2008

1/ A sound generally attributed to those with mental afflictions making more articulate use of oral communication impossible.
2/ A sound used to mock said people.
2/ A sound used to mock said people.
2/ "Derr, look at me! I'm stupid!"
by KNfLrPnKNsT October 29, 2005
