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.
by Kitten4444 December 8, 2015
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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)
by DerZy - God of Ganja May 22, 2009
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Biblically Forbidden Fornication - a sexual act which is forbidden as per Bible.
Fucking in the ass?? thats a bff dude!
by Acsstl August 14, 2007
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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
by Kevclark June 13, 2008
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A person you actually like. Someone who is not a raging piece of shit retard.
He is human garbage. He is not my Bff. I hope he dies soon
by Killyourself1993 January 27, 2017
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A person you actually like. Someone who is not a raging piece of shit retard.
He is human garbage. He is not my Bff. I hope he dies soon
by Killyourself1993 January 27, 2017
Get the Bff mug.