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Acronym for "beat you the fuck up"

Only said when chatting on the internet, since if you said "B-Y-T-F-U" in person youd probably get beat the fuck up.
In caht room
XJohnyX: Hey dude, i slept with ur mom last night
Nerdwhosequeer: thats suptomically incorrect due to the stars positioning and the graphic displacement of the sun in duirect alignment of the moon
UncleJessie: hey f*cking nerd!if you dont stop talking like a nerd, I'll bytfu!!
bytfu by Mike February 8, 2004
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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
Related Words
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

BSTFUAGMMAS 

It's what you tell your woman to do when she's speaking. "Bitch, shut the fuck up and go make me a sandwish."
Her: "Hey, sweetie... Did I tell you about..."
<interruption>
Him: "BSTFUAGMMAS"
BSTFUAGMMAS by Le Noir October 26, 2006
Bitch shut the fuck up! (mostly instant messengers)
On Aol instant messenger, some ho ims you and shes annoying you, you say BSTFU (BITCH SHUT THE FUCK UP!)
bstfu by Special Steve! November 6, 2005