RBF

Short for "Redbull Friday". A day in which you drink double your usual Redbull consumption.

It's RBF. Let's mainline it.

by Kipps November 1, 2009

by mary5297 July 24, 2014

"That RBF wasn't even worth getting in trouble"

by happilymelancholy February 22, 2010

Royal Butt Fucker.
Someone who is a butt fucker but is so much worse at life than an ordinary butt fucker so he is than named it royally

by Michael D Wolf February 8, 2009

This is the abbreviation for "Really Bout to Fight." This is commonly used in and around the Jersey shore in New Jersey.

Wow... they're about to RBF right now!

by Smiley 777 May 26, 2016

Rbf

Have u heard of the rbf who hit his tv with a bat?

by Ululu March 20, 2017

This is the abbreviation for "Really Bout to Fight."

Wow... they're RBF right now!

by Smiley 777 May 26, 2016