poly pocket

An attractive female or male that enjoys playing sexually with people that are married but non-monogamous or polyamorous

A fun plaything.

If a particular Poly Pocket happens to be a young, attractive bisexual female who dates entire couples, she would also be a unicorn

Someone (usually white male) who goes and gets laid by dirty, filthy Polynesian woman (the scum of the earth) who are all fat, smelly, hairy and look like men.