1 definition by BELLALA

Top Definition
a special day celebrated by dorks around the world on 3/14 because of the mathematical value of pi, or 3.14 (shortened).
Hey man, since it's Pie Day, why don't you make me a pie?!
by BELLALA March 14, 2012

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.

×