A true red head's unshaved (preferrably nicely trimmed) vagina. The color of her pubic hair = red e.g. rusty, and box = vagina.
I love my smokin hot red headed girl friends "Rusty Box"! Did you see that ginger at the strip club? She had an awesome "Rusty Box"!
by LytShow March 26, 2011

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by Yorkus December 26, 2018
