Sasuke has lived a horrible life. His parents were killed, he has a jerk brother, ugly girls like him, and he is best friends with Naruto. So you should feel very bad laughing at Sasuke, for he is in the darkness.
The darkness is an up and coming meme that features an oddly posed Sasuke, ready to strike the cu de grace on Sakura. When it comes to the internet, striking a weird poses is not a good thing, for it is easy to photoshop you in funny places, doing awesome and exotic things. Like poor Sasuke, who now is the Statue of Liberty, a flamenco dancer, and a world class snowboarder.