BTFU 

Boiler the fuck up

-As in, Purdue Boilermakers

Holy shit, we just beat Notre Dame 47-16, BTFU mother fuckers!

BTFU by Kyle K. October 14, 2004

btfu 

An acronym or abbreviation used for "Back The Fuck Up" meaning 'I Told You So!', 'Back The Fuck Up!' (in an angry sense), or 'In Your Face!'

person 1: Dammnn, shawty does have a nice ass!

person 2: exactly.. now btfu

btfu by Tbaby March 14, 2012

btfu 

Boiler The Fuck Up

suck it up and get it done damnit!

Its 11 in the morning at Jakes Bar (or bar of choice)

guy 1: cant finish the rest of my beer
guy 2: btfu, we gotta leave for the football game in a minute

btfu by petesblackbrother July 11, 2007

BTFU 

A Delaware native acronym for Bagging The Fuck Up.

Similar to Cracking the fuck up.

It's used to express laughter in an uncontrollable manner.

Some lesbian was talking shit at the bar so I threw a drink on her. The bouncer asked me why I threw the drink on her and I said " because she looked thirsty" I was BTFU

BTFU by mmhmthatsright86 July 2, 2012

BTFU 

Back The Fuck Up

Hey, Let me get a slice of your pizza...

Yo, BTFU, wash your dirty hands first.

BTFU by B-More Damiano March 8, 2011

BTFU 

BACK. THE. FUCK. UP

yo im not in the mood right now please btfu

BTFU by zarbearluvsu March 4, 2015

BTFU 

Back the Fuck Up.

John, you better BTFU before I kick your ass.

BTFU by paul Rodriguez October 29, 2003