Top Definition
A square shaped bush on a woman that is dyed in the pattern of a Rubiq's cube. If you're able to manipulate it so that it turns one color, the woman will no doubt be turned on and ready to have a sexual encounter with you. It was first seen in a portable toilet at a Van Halen concert in Battle Creek, Michigan in 1986. Ken Burns is in the process of finishing a 10 part PBS documentary about the history and cultural significance of the pubic's cube.
stoner: "dude Katie is hot and all, but her bush is dyed all sorts of colors and shit, it's fuckin weird."
friend of stoner: "yeah bro, sounds like she's got the old pubic's cube going on down there."
by Johnny Goodboy October 15, 2007

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Slang term for a vagina derived from the popular 80's puzzle named Rubik's cube that was shaped like a box and difficult to solve. A complicated pubic box.
I can solve your pubics cube in less than a minute.
by vuch April 12, 2004

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A fiendishly difficult chastity mechanism
"Sir Andrew The Knave stood wearily in front of the Lady of The Lake, but by the strength of the old gods he knew he'd made it..
Years of searching were suddenly worthwhile...
tears rolled down his face for he knew that his lifelong quest for the holy grail was over -

However after three unsuccessful attempts at her Pubic's Cube, it was suddenly clear that he should never have have drank that second horn of mandrakes piss ...
by Don Bastardo January 11, 2017

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