arse

As the novel progresses, he is shot in the hand with his own gun, shot in the arse with someone else's and lacerated by a prosthetic weed trimmer.

“You're an arse,” Ellen said. ¶ “Please? You must like something about me …?” ¶ “I do. You're an arse. I just told you that. I feel comfy with you, because you're such an arse.”