OA

short for “objection: argumentative” \ generally used to avoid or nullify a negative question or remark

Whenever his ex asks him a question, he infuriates her by answering with OA.

by ΔиłĦ☼иצ ߀₡ʞ June 23, 2011

OA

The Filipino abbreviation for Over Acting. This term is usually used to describe a person who is basically a drama queen. Also implies immaturity.

She threw a fit in the store because they didn't have her size. She is so OA.

by lilmille August 17, 2005

OA

The order of the arrow, An Honor society in the Boy Scouts of America.

Hey, are you in the OA?

by He'sTheMan March 16, 2005

OA

an acronym for "over acheiver". Used by high school students to describe someone who has a perfect grade in a class or does more work than necessary.

Person 1: I wrote two extra pages for my book report.
Person 2: You're such an OA.

by windbeneathmywings4ever September 3, 2005

OA

Office of Administration. Usually used in colleges when it's almost time for final exams and the hall director gets too lazy to full spell it out for you. Or maybe it's not. Who knows.

Ask the OA for help.

by a;skfjawoifja;asi November 15, 2017

OA

Organization Administrator

On Google when I try to e-mail a friend on a school account it says, "We are sorry, but you do not have access to Email. Please contact your Organization Administrator (OA) for access."

by novel.coronaviruss March 19, 2020

OA

short for Over Archiver. One who goes above and beyond for no reason, except to be that one little bit better than you and all your friends. Generally disliked for breaking curves, and just doing better, Though they claim its merely jealousy on your part, everyone else knows theyre obnoxious. Can be ended in 'd to mean Over Achived.

Man, Jane is such an OA, I hate it

I totally OA'd that homework assignment, you shouldve seen how mad all the slackers got.

by Brian J H March 27, 2007