FCubed is basically a simplified way of saying First Female Fuck...This is typically used as a joke amongst heterosexual women when describing an attractive female.
Martha-OMG, Gwoduhloopay is so pretty!

Punan- Yeah, I know...

Martha-She could totally be my FCubed!

Punan-Well, she was already mine!

by Gwoduhloopay Rodriguez May 21, 2008
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