O.M.A

Abbreviation for One man army.

O.M.A is a tagging group around the Bay of plenty area of newzealand

We are O.M.A "DON'T DOG THE BOYS!"

by SKUX GHEE October 9, 2017

O.M.A

O.M.A stands for "Oh, my Athiest!" Like 'OMG' but for an Athiest to say.

Say "Oh, my Athiest" when someone says something rediculous, or crazy

-Person 1 - "O.M.A, I just got a dub sack from this stranger I met behind that building outside of Chicago next to my grandmas house.

-Person 2 - "Right on bro!"

by Azhale April 3, 2011

O.M.A.

Oh My Allah, what a muslim says. A variation of O.M.G., Oh My God.

Akmed screamed " O.M.A." as he suddenly found himself amid thousands of christians.

by jpg3 January 7, 2012

The O.M.A.

The writer and artist of The Rogue's Gallery and Author Space, two excellent web comics. he is now stationed at www.psyguy.com

The O.M.A. is hilarious!

by Darian December 24, 2003