8
object of avoidence, namely some creepy gross person who likes you
stephan is the new oa..hes totally following sarah everywhere
by couch March 01, 2005
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9
is a Nepali word meaning " Hey You" . It is used to call someone quickly without using names or in case if you don't know their names !
Hari: Oa...Oa...
Stranger: Me????
Hari: Yes . Here You left your wallet .
by Color Black September 07, 2016
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10
OverAll. Can be used to describe a measurement; length, width, and height overall.
It measures 7" x 6" x 6 1/2" OA.
by Evilyn January 27, 2006
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11
an abbreviation for over achiever; the person in school or work who pisses everyone off because they always have to do more than what is required, they hand in assignments before they are due, they always have to be perfect, and they make everyone else look bad.
Eww, Kelly is such an O.A. She already finished the history paper that's due next week and she wrote two pages more than she needed to.
by Ashley Z. July 14, 2007
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12
Also knows as the Object of Affection. The person you want but can't have for whatever restrictive reason, yet you choose them anyway.
"Dude Caley is my O.A."
"Keith, she thinks you're a freak."
by frostythesnowbitch January 09, 2016
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13
''56-m has been kicked out ban reason oa''
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