Top Definition
The chanting amound brothers in a fraternity to show their approval or to show how good of a time partyiing they are having.
After I shotgunned that beer, my brothers proceeded to bro roar
by frattin the world January 16, 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.

×