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A girl that would be considered large or even extra large by any standard of measurement, but is called medium by the one who sleeps with her in an attempt to validate her size. Similar to Old Navy selling large clothes at a smaller size.
This shirt fits so well and its medium!
-Yeah but it's an Old Navy Medium...

She wasn't big man, she was medium.
-That woman was an Old Navy Medium.
by jdf5555 September 28, 2010
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