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To have taken advantage of someone in either business of personal affairs through deception, deceit or duplicity.

Circa early '70s, US Army
"You didn't get the assignment to Japan that was a part of your enlistment contract? You were buttfucked by your recruiter!"
by buffalo patty April 23, 2005
sex in the butt hole
That bitch just got <underline>butt fucked</underline> hard.
by swiftcreek2007 November 22, 2009
get fucked by the ass, as in penis goes through ass.
I buttfucked that bitch so hard she cried.
by Maggot666 February 17, 2005
A slang term which refers to someone who is overly drunk
"Did you have a good time at the club last night"
"Yeah, I was totally butt fucked"
by Boon December 30, 2004