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1.
1) A large, generally flat sheet of metal or synthetic alloys worn to prevent the bodily penetration of implements, traditionally sharp and moving at high velocities.

2) Anything worn for protection.
The chastity belt became armor for her virginity when the rapist came.
by Unbridled Scissors September 30, 2004
 
2.
slang for a condom
Jordan: joelie do u have armor?

Joel: of course safety first!
by joel69696969696 May 24, 2009
 
3.
A slang term in reference to a muscle shirt or wife beater. This usage came from young white trash males with enough muscle build to use the sarcasm of a wife beater being enough protection for battles of any kind. Battles including brawling, a long rough night of drinking, unprotected sex, drunk driving, and slapping around unruly females.
1.)Kaustik geared up with his armor to ready himself for another night of belligerence & debauchery.

2.)The crew sported their armor with pride and ready for conflict.
by xaosneo May 25, 2007
 
4.
another word for a woman or mans body. Usually a reference to everything below the neck
She had some nice armor, but a bad helmet
by he theh November 18, 2005