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.
by hak December 8, 2007
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Is just another day. Seriously, any day can be an unlucky day. Stop believing this superstitious shit, just move on.
Tom was worried because his might got rear-ended in his new Escalade tomorrow. And tomorrow is Friday 13th. Realizing it was a bad day, he consulted voodoo expert to keep him off bad omen.
by chrno August 13, 2010
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The most unlucky day in the calendar. Justified fear of this day is called paraskevidekatriaphobiaor friggatriskaidekaphobia. You could get run over, your house could burn down, you could run into a long-lost evil boyfriend, or you could fall down a flight of stairs and subsequently die of neumonia.
Shit, it's fuckin Friday 13th!!!!!!!!!!!!!!!!!!!!!!!!
There's no fuckin way I'm gettin out of bed!
Oh, jeeeez, I just choked on my own phlegm.
by Paraskevidekatriaphobiac February 13, 2004
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Friday the 13th is considered a very unlucky day .
Did you know that 2pac died Friday 13 th ?
- It's Friday 13th tomorrow .

- Oh no...
by 2smith April 10, 2011
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"Trump was shot in the head by a mental person on Friday 13th 2035 after signing a bill allowing mentally disturbed people to buy guns."
by Jk's bunny teeth October 15, 2019
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A 1980's horror film about a woman, Pamela Voorhees, who saw her son drown at Camp Crystal Lake, and went crazy killing all of the counselors several years later for neglecting her son, then was decapited by the last surviving counselor.
In later sequels her 'dead' son returns weilding a burlap sack and any pointed object...and later a hockey mask and machette to kill anyone who returns to Camp Crystal Lake, or anyone at all for that matter, as revenge for killing his mother. Has 11 sequels, including a battle between him and Freddy Krueger of the 'Nightmare On Elm Street' series.
by Roger_Alvey_ June 24, 2005
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A day when everything fucks up and goes to totally opposite of what it usually does.

A time for hockey masked wearing pyschos to slaughter unsuspecting victims.
"Its Friday the 13th!"
by Bleh-blah May 12, 2003
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