BTTF 

Acronym for Back to the Future, which is the greatest movie of all time.

"OMFG HOW CUM DOC AND MARTY DIDNT USSE TEH GAS FROM DA DELORIANE DAT DOC BURRIEAD TO GET BTTF IN BTTF PART 3?????////// OMFG I AM DA FIRST TO THINK OF DAT!!111"
-Half the members on the BTTF.com forum.

BTTF by Phoojoeniam October 2, 2003

bttf 

BACK TO THE FUTURE

reply to 1st definition guy- cus doc drained the time machine of all liquids, if u left the liquids in the car for 70 years it would destory it from the inside

bttf =
Back to the future
Back to the future part 2
Back to the future part 3

bttf by RRman September 23, 2006

BTTF 

BTTF: acronym for "Balls to the Face"

"LOL I HEARD LANCE BASS ADMITS HES GAY!"
"Yeah he totally likes BTTF!"

BTTF by BITCHPLEEZ July 27, 2006

BTTF 

Boot to the forehead

I'm gonna hand out some bttf's tonight.

BTTF by Joe Mamascra December 18, 2005

BTTF'd 

To pull a back to the future. It's how they got Marty's mum in back to the future part one by making her feel in danger then saving her.

OMFG i just got BTTF'D by my boyfriend.

BTTF'd by Capt.LOL February 18, 2011

bttfkz 

to buttfuck.
abbreviation of buttfukz

omgeh 3y3 bttfkz'd j00 k rifk

bttfkz by teh tequila November 28, 2004

bttfpromo 

User that originally came from the GCSB in GameFAQs.com. Later a user named "Inty" referred him to LUE2.com,in which he tried to "kill" in early August,2004. This user now owns his own message boards(Titan Boards).

OMG! You tried to pull a bttfpromo on my boards! **** YOU!

bttfpromo by bttfpromo,himself September 12, 2004