Unsexiest Sex Scenes, Vol. IV

Warning: The following gallery contains images and descriptions of an adult nature. What follows is also extremely unsexy. Click ahead at your own risk.

Cersei and Jaime, Game of Thrones

Two good-looking people getting it on should be a visual treat for cable viewers, but not so when Queen Cersei cheats on her husband by doing the deed with her own twin brother Jaime Lannister. Sorry, but twincest trumps all when it comes to the icky taboos. You used to live in the same womb! We felt chills multiplying, and it had nothing to do with that infamous winter coming.

Want more? Check out more stomach-turning sex scenes here, here and here.