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 6, 2006
Get the Derrmug. by vannyzane October 7, 2011
Get the Derrmug. by Alex February 25, 2005
Get the Derrmug. 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
Get the derrmug. 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
Get the derrmug. by Haley the Great December 16, 2008
Get the derrmug. 