BTFU

Back the Fuck Up.

John, you better BTFU before I kick your ass.

by paul Rodriguez October 29, 2003

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

BTFU

BTFU

“Buckle The Fuck Up”

Whoa Man, this Comment is getting a lot of replies. Better BTFU

by Gorillazfan23 July 18, 2018

BTFU

Beard the Fuck Up

You need to BTFU!

by Smiling_Hobo November 16, 2015

BTFU

BTFU, acronym, Brew The Fuck Up.

Get home from work, crash face down on sofa, raise one hand and shout in cushion muffled voice "BTFU" to other half/kid/lodger, who rushes to kitchen to make emergency cup of coffee to revive you in time for the evening.

by Nobody'shome83 July 30, 2011

btfu

Back The Fuck Up

If you don't btfu, I will kick your ass.

by paul Rodriguez October 28, 2003