Top Definition
A phrase that describes a particularly retarded face: A retarded smile, and the eyes pointing in different directions.
*le me derpin

Mom: What are you doing?

Me: I'm derpin. See my derp face?
by derpette123456789 December 26, 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.

×