I'm just curious,like always, wat is trolling? I've heard about it, but i don't really know the definition of it.

YOU DONT KNOW WAT TROLLING IS?!?!

Someone who causes dismay to someone on the internet that they don't even know, much less befrended on a site. They are most likely known to put lame or hurtful comments on someone's facebook, YouTube video.

exactly wat Troll said lol