by Gorillazfan23 July 18, 2018
Get the BTFUmug. 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
Get the BTFUmug. you were btfu you nubcake
by -=GsM=-Tanky October 24, 2006
Get the BTFUmug. 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
Get the btfumug. 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
Get the btfumug. 
