1. A multi-sided object, ie. a die or dice
2. A person who cheats on his or her significant other. Derives from "two-faced cheating scum" and similar phrases extrapolated to polygamous relationships of any number.
3. A person with many sides to him/herself.
"Roll the polyhedron to determine if you successfully slay the dragon"

"That guy is such a polyhedron... he's sweet with his wife, but he's got many other sides he shows to his secret mistress's..."
by Jojobob October 15, 2006
1. A multi-sided object, ie. a die or dice
2. A person who cheats on his or her significant other. Derives from "two-faced cheating scum" and similar phrases extrapolated to polygamous relationships of any number.
3. A person with many sides to him/herself.
"Roll the polyhedron to determine if you successfully slay the dragon"

"That guy is such a polyhedron... he's sweet with his wife, but he's got many other sides he shows to his secret mistress's..."
by Jojobob October 13, 2006

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