BTFF

Best Teacher Friend Forever

Mr. Johnson and I sometimes hang outside of class. He's my BTFF.

by Mr. Johnson's Daughter November 2, 2013

btfob

Back the fuck off bitch

When Elliot planed a date with Lauren. Elliot's girlfriend, Abbey, Snapchated Lauren with the caption,"btfob."

by MountainRange July 25, 2017

btf

Short for the band name, blessthefall.

"Dude, have you heard the new song by btf?"

by blessthefaller January 1, 2009

BTFD

Buy the failed dip

BTFD is a stock market term to buy stocks that are trending up and dip down a little but fail to go down further and continue to go up

by rdwwdr December 29, 2010

BTFU

Busting the fuck up

Girl that was so funny I was busting the fuck up (BTFU).

by Chieflove November 4, 2013

BTFU

Buck The Fuck Up

Wow, Patrick is such a bitch, he really needs to BTFU.

by m1ch November 12, 2011

btfo

AOL slang for "Back the fuck off." Usually used in conjunction with other internet short hand or "l33t" termage.

Btfo. Gtfo. Kthx.

by Matthew Darke February 18, 2003