Zoosadism
A sexual attraction to inflicting pain on animals.
Sally: If you don't mind, I can't let you borrow my dog anymore.
Me: Aww, but I love Rex.
Sally: Yes I know you do, but he keeps coming home with a red neck and bleeding from his ass.
Me: Ya know Zoosadism is not that bad!
Sally: What that?
Me: Well for starters I find tearing open your dogs ass with my dick while choking it quite arousing!