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.
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