What is Friday 13th?
1.
A day termed "unlucky" made up by a bunch of people back in the ancient days because they had so much free time back then.
Any day can be just as bad Friday the 13th. The reason why it's perhaps so unluky is mainly due to psychological factors which influences humans to act "unlucky" that day or to look out and emphasize for "unlucky" things.
Also see hivemind.
Friday 13th is the ultimate hivemind day.
See
2.
The most unlucky day in the calendar. Justified fear of this day is called
Shit, it's fuckin Friday 13th!!!!!!!!!!!!!!!!!!!!!!!!
There's no fuckin way I'm gettin out of bed!
*Snore*
Oh, jeeeez, I just choked on my own
phlegm .