The headache following playing a video game for a long amount of time. This originates from the gameAssassin's Creed II in which the main character is put into a machine called the Animus which allows him to relive the memories of ancestors and towards the end of the game, experiences some side effects such as headaches and hallucinations.
Guy 1: Hey wanna go to a party tonight Guy 2: Sorry dude, i just spent 8 hours straight playing MW2 and have the worst animus headache.
1999: DUDE! the worlds gonna end in 2000! all the equipment will fail and the nukes will launch and the planes willfall out of the sky!!!
2001: oh... well, DUDE! the worlds gonna end in 2012! The mayans said so.
2013: oh... well, DUDE! the worlds gonna end in 2016! Its the day of armegedan
2017: AHHH! now the worlds gonna end this month!
Feb: AHHH now its gonna end tomorrow...
...and so on and so forth