1 definition by Yellow Keyboard

Top Definition
when you know no answer on a question. especially when someone asks for an numeric answer. fiaunf is a combination of Fünf and Vier that mean five and four in german
1: How many times do I need to say you ar totally gay.
2: FIAUNF MAL BITTE!
by Yellow Keyboard October 16, 2009

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.

×