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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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23
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 12, 2008
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24
a lie. there is no such thing as having a BFF because eventually you will just stab each other in the back one too many times and it will be over forever.
the person you think is your best friend. if you're lucky enough to think you have one at the moment.

someone who is not worth crying over but you always do anyway

Person1: My so-called BFF just stole my guy/girl and now shes/hes pissed at me for no reason!

Person2: welcome to my world
by na//me November 15, 2005
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25
BFF stands for Best Friend Forever, to me a BFF always has your back and is with you through everything. Having a best friend should be like having a brother or sister. Sure you'll have fights ,but you'll always make up. A best friend is someone you can't live without someone that fills a void in your life, someone who cares about you and who you care about. You shall have the strongest bonds that no one can sever. You may go in some of the best journeys in life together and have the best experiences while in each other's company. A BFF is a true friend you will have forever.
I known my BFF for 20 years and have had a lot of fantastic fun on vacations with her.
by TheQuietSpectator June 03, 2015
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26
Used to describe a member of the opposite sex (or the same sex) that is your current Best Fuck Fantasy.
Mmmmm, he is my B.F.F.
by Being Me November 26, 2007
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28
Normally used to mean "best friends forever", but occasionally used to mean "butt fucking fags" as a humorous double entendre.
1. "You're a great friend Sara. We're B.F.F.'s." (sincere)

2. "Look at those B.F.F.'s over there ... snicker." (second meaning)
by Lord Dickish August 02, 2006
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