Short for "Beautiful"

Guy 1: Man, that girl is btf af
Guy 2: Damn bro, why don't you try to date her?
Guy 1: You know what? I think you're right. No more jerking off to hentai and playing dating sims
by FlashSonic June 12, 2019
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"Dude, have you heard the new song by btf?"
by blessthefaller January 1, 2009
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a woman who wipes her butt from back-to-front resulting in poopycooch and is therefore unsuitable for cunnilingus
Jason tried to go down on his girlfriend, but it was too stinky. I told him that she was probably a BTF and that he needed to find a FTB.
by Ugly Dave September 29, 2007
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Mary: Yo bro lets get BTFS
Flora: Okay im down
by crackamus July 27, 2010
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Best Tanning Friends

Your buddy you go tanning with. Your best girl or guy friend. Or just some random person you only hangout with when you go tanning together.
"I'm going tanning with my btf!" :)
by Wanna Be Tan Girl April 15, 2011
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dayana and karol are btf's (best true friends) and vanessa and becky stole there name.
by heyyyygurllll April 23, 2009
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