Top Definition
An acronym for Minuet of Angle. It is a angular measurement of exactly 1/60th of 1 degree, commonly used in astronomy and ballistics, and any other field that requires such minute measurements.
M4's are guaranteed to have a sub-MOA grouping when properly shot and zeroed.
作者 lurch/brittney/creepyguy 2011年8月18日
Acronym meaning: Move On Already
Her - OMG! I just saw on facebook he's dumped the bitch he cheated on me with and is now going out with a duck-faced oompa-loompa. I can't stand seeing him with all these girls when he could have been happy with me!!!

Me - FFS MOA!!! He's a douche-bag. Rise above it coz ur not gonna find anyone else by sitting at home stalking the prick!
作者 International Gypsy 2012年11月03日
Mother Of All Secrets, the biggest/serious/interesting secret a person can have without exploding.
"Tell me your biggest secret..."
"No way man, I'm not telling you my MOAS!"
作者 Lola1985 2008年9月16日
Michelle Obama Arms.
I heading to the gym to get some MOA!


Dang girl! Have you been working out? You have some fine MOAs.
作者 meanderer 2009年4月22日
"Made of Awesome" — abbreviated
These people are M.O.A.
作者 NM. 2010年9月27日
Military Operations Area

Areas on aeronautical sectional charts designated to be known areas of military aircraft operation. Pilots are encouraged to use extreme caution when passing through a MOA
MOAs are most usually found in and around military air bases
作者 Av8tion 2006年3月09日
Acronym for Missed Opportunity Abortion.
Douche-bag, putz, a waste of the genetic process.
"What do you call a Douche-bag passed out on the grass?"
"A lawn-MOA"
作者 JozoFine 2011年12月30日



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