Top Definition
An anonymous person who gives you frozen yogurt (fro-yo)
*opens the door and finds frozen yogurt at doorstep*

John: What?! Someone left frozen yogurt on my doorstep and ran away!

Eric: Did they leave a name?

John: No.

Eric: They're such a fro-yo-nonymous.
by pseudosynthesizer September 29, 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.

×