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1.
Adjective: To be uptight -- Interjection: Used as an exclamation of anxiety -- Verb: to betray, to ditch, to backstab; to be up in arms
Adj: Yo don't be armz, go to the club tonight.

Itj: He did what? Armz!

Verb: He armzed me. I didn't know there was a party yesterday.

by DrVa August 15, 2006
 
2.
armz means to suck, or if someting sucks or is bad
ey yo man ur fu*** armz playing yo gurl like dat!
by Sexy Chica September 01, 2003
 
3.
weaponz
back the fuck up.. u dont want me drawin 4 my armz bitch
by LDNBADMAN October 04, 2008