1) adj. An event or action that occurs that is so wrong/horrible that it creates hostile emotions from multiple people that may/ or may not have been involved.
2) adj. A larger catastrophe than a catastrophe
Dude A, "Did you see that Octo-mom had 8 kids?"
Dude B, "Yeah! And she already had 6 kids and NO job and NO Husband!"
Dude A, "Now we get to pay taxes for those bastards"
Dude B, "What a Fucktastrophe!"