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the act of 2 female friends that have now been related through their vagina's after having sexual relations with the same man.
Angelina Jolie and Jennifer Aniston are cooter cousins because they both have had sexual relations with Brad Pitt.
by Licky Pee April 11, 2010
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When two females have sex with the same female, they become Cooter Cousins.
No shit?! You banged her too? That makes us Cooter Cousins
by Drunkinism June 21, 2018
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