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If your J-Crewin it your not in sweats, but your not dressed up. Also,when your J-Crewin it you can't have jeans on, you must have khakis or nicer on.
Bob:"You look nice today"

Sally:"Not really, I'm just J-crewin it.

Bob:"Oh, ........OK.
by Mado1243 December 14, 2009
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