to backstab or go behind one back; synonyme to rat fuck
Nobody bat fucks me and gets away with it
by gryphon December 15, 2003
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bat-fuck insane is the adjective meaning "in a state of bat-fuck insanity"
It is often used to qualify gravy, old bicycles, wizards and the like.
The symptoms of bat-fuck insanity include sudden urges to watch Batman, to fly, to succomb to the total madness of the woooooOOOrld, and to rip cats in shreds.
Contrary to unpopular belief, somebody who is bat-fuck insane is NOT more likely to become mad at a zoophile than to become mad about Zoophilia.
"My mom cut my cat in two, spread his internal organs on the table and started throwing plates at the TV"
"Congratulations ! and what did you do ?"
"I used my cat's kidneys to replace my ears because I couldn't hear the sound of the TV anymore"
"I totally hear you bro"
"well I can't hear you because I have no ears"

-A normal conversation between two bat-fuck insane people.

famous quotes :
"You am bat fuck insane" - Santa Claus after his shower.
"This cheese will sound good on your grave" - Deadmau5 to his dead mouse
"I like trains" - a certain guy
by Omoraru December 30, 2011
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The box on Batman's belt that contains who ever he's fighting's greatest weakness
While fighting superman batman goes to the bat fuck you box for kryptonite
by that other random guy October 14, 2013
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Where you tape the tip of your nose up to expose your nostrils (to look like a bat/pig) and give someone a rimjob with your nose.
"So what did you and Sadie get up to? Heard she's freaky."
"Man, she tried to give me a bat nose fuck. I would've preferred to be pegged."
by Honeymoon69 July 2, 2021
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Aggressive Sexual intercourse with a serious voice tone and straight facing your partner.
Bat man fucking ( I will bat man f*ck you ,I will learn your every move, I will study you until I have you down on your knees, then I'll seduce you and break every bone in your body)
by PunxSince98 June 23, 2017
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