Engaging in anal sex, generally by two men, but a man having anal sex with a woman can be called 'Making Lawyers' too. See also butt secks
Hey George, how 'bout you and me go back up in the woods and make us a lawyer or two? Sure Al, and since you're so good at it, you hug the tree first! I don't know about you, but I sure love making lawyers. We can always use more lawyers, nudge nudge, wink wink.