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When a male lives with a female roomate and they are not in love. It is her civic duty to nag him about cleaning and taking out the trash.
She's is also responsible for giving him input about his life choices ( work relationshipso etc.)
Person 1: I always see those two out together are they dating?

Person 2: no that's just his roomate aka life wife.
by Mo vitt December 15, 2015
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A female's best female friend who have been friends so long and know each other so well they might as well be an old married couple. They've got each other's backs...for life.
Hi...this is my best friend Tina also known as my life wife.
by Irishgirl358 January 31, 2017
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