1.The act of shooting an opponent perfectly in the head, but still missing that opponent through hitbox issues or random server lag.
2.A random server event
1a.I was about to win CPL finals, but then my gun went omicron and he turned around and shot me in the head
1b.I got so cronned by that server.
2.The server went cron on us in the middle of the match, and we had 3 rounds *sadface*