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1.
sex in the butt hole
That bitch just got <underline>butt fucked</underline> hard.
by swiftcreek2007 November 22, 2009
 
2.
get fucked by the ass, as in penis goes through ass.
I buttfucked that bitch so hard she cried.
by Maggot666 February 17, 2005
 
3.
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
 
4.
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