In Christianity, the mark representing satan. The 6 represents a sperm pointing down (towards hell), there a three of them, due to the fact that the number of letters between the "e" in the word "sex" and the "i" in the word "six" is three (being fgh).
This has the implication for males that a lust for sex will turn you into an evil bastard just like the rest of us.
It is interesting that 666 has been around longer than the microscope and knowledge of sperm!
And the number of the beast is 666.
by Radar O'Reilly March 02, 2006
Among bikers 666 represents the 6th letter of the alphabet. Stands for FFF - Filthy Few Forever. Originated by (?) the Hells Angels and was used for it's shock value as society correlated it with being the "Number of the Beast".

Some 1% bikers wear the 666 patch to indicate they are "pure evil" and have done many things society would view as "evil". They are generally "the baddest of the bad".

Not usually a spoken term but used on patches on the biker's cuts.

This patch is found either in the shape of a rhombus (diamond) or as a "rocker".
Did you see the 666 on his cut? Man, he is 666 (pure evil).
by willdbeast81 March 31, 2012
The number "666". Comes in between 665 and 667.
600 plus 60 plus 6 equals 666
by 32isAnumber August 16, 2010
NOT the number of Satan.
IS the number of impurity.
WILL NOT make you look cool, smart, interesting, or hip in any way.
WILL make you look like a fucking idiot.

Many people say that 666 is the number of Satan because that is what they say in the Book of Revelations. However, the Book of Revelations is purely symbolic and is not meant to be interpreted otherwise. The Bool of Revelation was written in code as letters to other Christians. 666=the Roman dictator Nero. Christians believed him evil, and he was, because of the bloody and grotesques persecutions of Christians that he did.

Also 999 upside down.
Idiot: I'm gonna write 666 on my backpack to make me look cool.

Idiot #2: *standing on a street corner with a Bible in hand and is as high as a kite* 666 is the number of the Devil!!!!!!!
Me: No it's not.
Idiot #2: Yes it is!
Me: And you know this because.........?
Idiot #2: It's in the Bible!
Me: *sighs* 666 was meant to represent the Roman dictator Nero, b/c early Christians found him evil.
Idiot #2: AHHHHHH!!!!!!! Devil worshipper!!! Jezabel! You are trying to make me think! AHHHH!!!!!
Me: SMH okay. You might wanna go make to school and lay off the crack for a while.
by MissEducatedAuthor November 08, 2011
The Access code to the briefcase in pulp fiction
Vince Vega opened the briefcase by arranging the numbers to read 666
by REDXGSXR August 23, 2006
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