1 definition by Derpyhoovs

Top Definition
To be inefficient, slow, unable, inexperienced, not working correctly, stupid, naive, etc. A word that usually takes the place of "retarded."

Can be pertaining to a person or a thing.
I tried to send my essay in via email last night, but my computer was being derpy.

*Friend trips and falls over own feet
You are so derpy sometimes
by Derpyhoovs July 27, 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.