by Gorillazfan23 July 18, 2018

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

you were btfu you nubcake
by -=GsM=-Tanky October 24, 2006

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!'
by Tbaby March 14, 2012

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
guy 1: cant finish the rest of my beer
guy 2: btfu, we gotta leave for the football game in a minute
by petesblackbrother July 11, 2007
