BTF

"Big time failure"

Slang term used by gamers, mostly in MMORPGs.

Leeroy ran straight into the boss and we weren't even ready yet, what a BTF.

by Coconuttie October 12, 2009

BTF

1. "by the f*ck" (a different version of by the way)
2. "better think fast" (this will be used when attempting to play off a BTF usage, very ironic)

rake: Yeah homework sucks...
carrot: I know! oh and BTF do you want to hang friday?
rake: def.

Hi mom!
what does your shirt mean?
uh..better think fast! its a joke

by Collie69 December 9, 2008

BTF

bitch to fuck

your mommmmmmmmmm is such a BTF!

by MOTHERFUCKER69 April 4, 2009

BTF FTB

Bag The Face, Fuck The Base

"Hey man, would you tap that?"
"Yeah dude, BTF FTB though"
"I agree"

by CurryMaster69 March 31, 2015

BTF

Big titty freshman

senior 1: bro look she got tits for a freshie

senior 2: she’s a btf

by Your Sarah July 7, 2019

Btf

Synonym for “on god” and “no cap”
Also written as by the fifth.

“I’m about to take my midterm”

“Btf you got this gang lock in like osama bin”

“The ice cream truck just pulled up and played music, real trap shit btf”

by The_reverend_himself November 23, 2025

BTF

Acronym: Big Titty Freshmen

Any freshmen with big milkers

"I can't wait to see the new BTFs this year bro"

by Pasteloes August 26, 2023