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B- Big
F- Fat
F- Fucker
I used this since before best friends forever ever started. Original DOS, kermit word.

If I saw a guy at school that was huge, we would say B.F.F on our KERMIT conversation. If you do not know what kermit is, then look it up and you will see how old I am talking about. LOL
B.F.F by HorseLOVA July 12, 2011
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Best Fantastic Fair!

"Fair" here means beautiful girl!!! that meaning was used in old day!!

so, this "bff" shows "bff(Best Fantastic Fair)" and "bff(best friend forever)"
1.you are my B.F.F!!

2.at the end of letter
"B.F.F"
B.F.F by Vicher Li January 10, 2008
B.F.F: BEST FRIEND FUCKER. WHEN GIRL IS FUCKING TWO GUYS THAT ARE BEST FRIENDS
MAN#1:I am hooking up with ELAINE
MAN #2 NO WAY so am I! She's a B.F.F AND A HOT ONE TOO !
B.F.F by Eatmee November 19, 2019
Like, best friends for EVER
1. .:-+JA + TM+-:.
!!BFF!!
2, OMG, Sarah and me are totally bff!
B.F.F. by Julia Ackbar November 12, 2003
Big Friends Forever!

Origin: "B.F.F!" on The Aquabats! new album Hi-Five Soup!
It talks about how Big Friends are in charge, and that you need them too.
Aquacadet 1: Dude, I walked through this fight, but no one did anything!?

Aquacadet 2: How?!

Aquacadet 1: Homie, my B.F.F.'s are in charge!!
B.F.F. by Sketch-Bat "Mr. Ska Zach" January 21, 2011
If she was not my B.F.F. I would hate her.
B.F.F. by boofuu November 2, 2003
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.
B.F.F. by Being Me December 26, 2007
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