One who rides the asses of other men. As in one who inserts a penis or vibrating dildo up the butt of another male. For fun. Oh my. Homo, anyone?
That little manslut buttfucker gave me his big one! He just grabbed my ass and rammed Johnny Horn over and over until he sprayed his gayness all over my butt.
by ArcticFox January 3, 2004

Could be a reference to an annoying or self absorbed person who could either be bragging far too much or putting others down in a manner that is unacceptable.
This could also be used as a cuss word for when you may be in trouble, angered at something that has happened at that immediate moment, or are in the process of being completely screwed. This is similar to the meme "FFFUUUU!"
This could also be used as a cuss word for when you may be in trouble, angered at something that has happened at that immediate moment, or are in the process of being completely screwed. This is similar to the meme "FFFUUUU!"
James: Hey, I got an A+ on the test and you got a D. You fail! Haha!
Cory: You buttfuck...
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Tim: I'm being mauled by the zombies! HEELP!
Michael: I'm at the other side of the map, I can't help you!
Tim: BUUUUTFUUUUUUUCK
Cory: You buttfuck...
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Tim: I'm being mauled by the zombies! HEELP!
Michael: I'm at the other side of the map, I can't help you!
Tim: BUUUUTFUUUUUUUCK
by Ancubius July 30, 2010

by sonny vitales May 13, 2008

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by ARF the Trooper February 15, 2008

by gaybuttfucker January 9, 2004

by Krackalackin November 17, 2004
