Top Definition
The Standard International unit for stupidity.
When a derpometer is at hand:

*Man attempts to peel banana with rusty hacksaw*
Intellectual: "My God... I'm reading 16 kiloderps!"
by Dr. Herp Derpington October 08, 2010

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.

×