The discrimination against, rude or unnecessary comments/actions toward, and/or the killing of any number of people. Because yolo.
Guy 1: Hey man, look at those old people playing bingo.

Guy 2: Let's shoot all of them.. because yolo.

Guy 1: Alright bro, but then we gotta go throw dog shit at those kids at the park.. because yolo.

Guy 2: Damn, we're about to have a yolocaust on our hands!
by JustAnotherGingerNigger May 26, 2012
Get the yolocaust mug.