BFTF 

best friend in the family

Harley you're my BFTF

BFTF by wqaszx123 July 28, 2018

Bftf 

Best Friend to Fuck. you text this person. you fuck this person. you may be dating them in your mind, but they don't know it.

"Where were you last night?"
"Just getting laid at my bftf's house"
"Does he know?"

Bftf by nikolynna February 24, 2012

BFTF 

Be free to fuck

Like beeing single ?
be free to fuck ?
are you bftf ?
Yes i'm free to fuck

BFTF by cool910 March 3, 2011

BFTF 

Best Friends that Fuck

"Clarissa is my best friend, and we fuck but we aren't together we are just BFTF"

BFTF by Thatguyyoudontknow January 4, 2013

BFTF 

A show made by Supergoat527 on YouTube where viewers get to vote off contestants off the show after every episode.
The contestants consist of Steve, Sans, Heavy, Banana, Mung Dahl, Among us, Trash, and Grandma and the host is Tomatoa from Moana. It worked similarly to Battle for Dream Island Made by JacknJellify also on YouTube.

Guy 1: Hey who did you vote on bftf 3?
Guy 2: Mung Dahl
Guy 1: I hate you

BFTF by SuperGoat527 February 15, 2021

bftfw 

Best friends to fuck with

Bryce and Miles are bftfw's

bftfw by mwiz March 2, 2015

BFTFF 

Best friend that's for fucking

You see that girl over there shes my BFTFF
Whats that?
Best friend that's for fucking

Noice

BFTFF by Idk berto October 14, 2020