Spacebook. (It's a terrible joke I know).
Have you ever tried taking a rib from a black man
Then I take them out and I know why.
Karma. (Please forgive me)
Omega!! Note: surely it already exists but I thought of it independently and am proud of my terrible joke!
Zombie apocalypse or Facebook shutting down and 500 million retards all of sudden using twitter
Trainer replies: "Use the ATM"