Rage Typing
The Act Of typing something out anger.

Most Commonly found in CAPS, and the lack of being able to complete logical sentences.
On Classic Facebook Dispute:

Person A: Hey, i see you have been liking all my new Girlfriends photos.. Jealous?

Person B: YOU STUPID FUCK FACE HORSE SHIT ASS HOE CANDY CANE DUMB ASS PIECE OF SHIT COW DUNG FUCKER.

Person A: Its not my fault you suck!

Person C: Whoa, Nice rage typing dude! Haha