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Bstfu or i’ll shoot you ass
Bstfu by SubaruTrissi February 14, 2018
Related Words
Totally insane; insane enough to fuck a bat.

May be used adverbially as an intensifier (e.g. "batfuck crazy") or on its own as an adjective.
You little sister is completely batfuck crazy. She was trying to smoke a coathanger.

Yea, she's totally batfuck man.
batfuck by Pipe Downn January 20, 2009
It's a common word used by the mod stalkers lurking in the streets, meant to mean that they are feeling like a bot.
I am doing botfull as always as a mod killer.
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
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