Cracked has an article.

The 5 Most Baffling Sex Scenes in the History of Fanfiction.

They have Fred and George/Lance Bass as well as Indiana Jones/Lord Voldemort. WTF IS WRONG WITH THE WORLD??? HARRY POTTER MEETS LORD OF THE RINGS I CAN UNDERSTAND, BUT SERIOUSLY? WTF. OH. MY. GOD. MY BRAIN JUST WON'T WRAP AROUND IT.

"The idea of fusing robots and animals together sounds comically impossible, but that's probably what some guy heard right before he invented anal beads."

I LOVE IT.