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4.
MOA
Michelle Obama Arms.
I heading to the gym to get some MOA!

Or

Dang girl! Have you been working out? You have some fine MOAs.
by meanderer April 22, 2009
 
1.
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!"
by Lola1985 September 16, 2008
 
2.
MOA
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.
by lurch/brittney/creepyguy August 18, 2011
 
3.
MOA
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!
by International Gypsy November 03, 2012
 
5.
MOA
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
by Conrad P. Rustek March 09, 2006
 
6.
"Made of Awesome" — abbreviated
These people are M.O.A.
by NM. September 27, 2010
 
7.
moa
Pronounced "more" as opposed to "mower" it was a native, flightless New Zealand bird.
Now extinct (for a couple of hundred years), the 10 various species were eaten to extinction by the early Maori people.
To give an idea of the size of the moa, picture the smallest species being the size of a turkey, and the largest being the size of Big Bird from Sesame Street.
The Moa traditionally lived in the forest and Moa bones can still be found in caves and swamps throughout New Zealand.
Look at that drumstick! Must've come from a Moa!
by Te Tangata Nui April 27, 2006