BFF 

Butt Fucking Friend

Chris went to go to his BFF's house to pound her Ass.

BFF by Chrisxx August 11, 2008

BFF 

Best Friends Forever. It does not mean Boy Friend, or Bad Friend, though it is a comman mistake.

-My BFF is Ari!
-You are my BFF!
-I'll ask my BFF!

BFF by NoNo Claire December 19, 2006

BFF 

An acronym for Best Friends Forever.

"You are my BFF"

BFF by The Pink Emerald March 18, 2015

bff 

someone who will stick by your side and will always believe you no matter what they say

My freinds Cate, Tatum, Shawn, Luke, Kelli, Sophie, Karen, Sarah, Arith, Katelyn, Sabrina, Bella and everyone on bus 17(38) used to be 23 Bff is your prize possession the person you never want to lose.

bff by Kitten4444 March 15, 2016

BFF 

Best Friends Forever is the common term, But most of my crew use it as "Best Fuck Friend"

Alot of people don't have relationships instead have a variety of "friends with benefits"

Your most favorite friend with benefits is your Best Fuck Friend

They are good in bed.. But they are not my BFF. (Best Fuck Friend)

BFF by DerZy - God of Ganja May 22, 2009

bff 

Biblically Forbidden Fornication - a sexual act which is forbidden as per Bible.

Fucking in the ass?? thats a bff dude!

bff by Acsstl August 17, 2007

BFF 

Ben Fold five
or
Bangladesh Football Federation
or
Airport Code for Scotts Bluff County Airport, Nebraska

The BFF and The BFF arrived on the same plane at BFF

BFF by Kevclark June 12, 2008