1.to be considered mean..something that happens that's not right
2.armz howse iz somthing that is really mean..

1. An upper-body limb on a human.

2. A weapon, typically a gun of some sort.

3. Apparantly, a very under-appreciated word on the Urban Dictionary, seeing as how this is the first post under this word.

1. adj. Of or relating to an occurrence of any event or noun having put one's mood down; esp. by ways of rudeness, bitchiness, or acts of being mean to another.
"He got punked today yo, everyday dis man gets punked--holee dat's arms!";
also {derivative from the hostility of a firearm when held at gunpoint, thus making one feel incomprehensible fear that would induce a 'pissing in the pants'; (1947: soldiers lined up for execution by way of arms)}.
2. n. Any of the limbs connected to shoulders or midriff of any body. An arm, forearm, or upperarm; also lowerarm.
"Both his arms were torn off in the accident."
3. n. pl. Any gun, handgun, pistol, auto or semi-automatic, (projectile)firing weapon held at one's side near arm; esp. that used in combat or war. A firearm.
"Arms ready!" (command issued to prepare for gunfire)
4. v. To Arm. To prepare or put into readiness; esp. placing armour before moment of combat.
"He arms himself with two large pistols."
5. v. To be held in arms or one's arms. To be loved. To be given grace.
"The child was held in arms."

Someone doing something that is considered mean

things on the side of your body

Anal Retentive Monkey

comes from east london and means beef