A sexual or pseudosexual act of rejection. The rejected partner is woken in the early hours of the morning preferably whilst sleeping on white bedding and subjected to a high-pressure curry fart to the head, permanently silhouetting their shocked expression into the pillow. For a true 'banksy' one must accuse them of not getting the joke afterwards.
"I did a Banksy last night"

"She was getting right on my tits so I Banksied her and then left a shit on her radiator"
by streetfart May 28, 2012
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a sexual maneuver where you film your partner on CCTV while wearing a monkey mask and decrying the police state
I pulled a banksy on some whore last night then uploaded the footage to youporn.
by avaela February 28, 2011
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bank·sy (bank see)
1. A generic term for stenciled street art.
2. A general slang term for easily done street art that mimics commercial advertising.
3. A term used to describe a graffiti artist who has "sold out" by becoming financially successful through the system he originally spoke out against.
"yo, did you see that banksy Pablo did on the school bus? Total wack job!"

"Several banksy style images have appeared in the run up to the election, including a print of David Cameron" - wired.com
by Jonathan Jones Guardian February 15, 2012
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Being banksy or doing something banksy means comitting an "outrageous" act that you think is highly rebellious and counterculture but is in fact banal, sanitized and/or monetized. Quite often if you see the word "edgy" used unironically, it will be referring to a banksy act.
Comes from the street artist Banksy, whose entire portfolio can be conveniently described with this adjective.
Hey wanna skip school and smoke cigarettes to show how punk we are?
Ugh no that's totally banksy.
by Sh-sh January 27, 2016
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Perhaps the greatest stencil artist ever he parades his works around Britain quite illegally. He defaces monuments, spray paints animals and generally bugs people off.
I sware to god I saw Bansky the other day, but who the hell knows. Could be anyone, even old Thatcher herself.
by Willie C. November 17, 2004
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A person who smells of urine. Does not shave and hasn't showered since the revolution
Take a shower you banksie
by Applejacks1898 January 8, 2015
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A trite political statement painted on someone else's property
Banksy commits vandalism
by anon October 16, 2012
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