A nasty bruise
I saw my mate Spag the other day; hadn’t seen him for some time. I was surprised to see that he had a nasty big red bruise right across his forehead. Horrible looking thing. I said, “Wow, what happened to you, Spag?” He said, “Well, me and the wife were doing it doggy-style out in the back yard, and there was a big clap of thunder, and she ran under the house.”