facebook warfare

n.
When someone decides to protest their friendship with you or war against you by unfriending you on Facebook. Usually done by immature children.

Bob: Joe is mad at me for not inviting him to my party last weekend. He even unfriended me on Facebook.
James: Why?
Bob: He just wants me to notice his Facebook warfare so I know he's mad at me.

Rooftoppin'

v - the act of partying on a rooftop.

Guy1: Yo, did you hear about Zeke's party?
Guy2: yeah, they were rooftoppin' it. I wish I could go to a party on a roof.