The sexual act of furiously or aggressively preforming anal sex either using a penis or some other phallic object so deeply that the persons body and face tense up and convulse in a bout of agony and pleasure resembling a gargoyles stony posture.
Frank: So how did last night go with carol?
Ted: Well we started to bang and I thought I fuck her up the ass. I think I did it a bit to rough though.
Frank: Why do you say that?
Ted: Cause midway though she started to look like a happy gargoyle