Top Definition
a much cooler way to say duhh
Person1: Mily cyrus and hannah montana are the same person?????
Person2: Derp de durr!
by leahisabeast December 12, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×