stands for Fuck Your Brains Out
Tonight, I'm going to fybo.
by wish i didn't see that text... April 20, 2010
1 more definition
7 Words related to FYBO
Top Definition
Fuck your brains out
I'd like to FYBO
by LustLady2 December 13, 2008

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.

×