Originally Posted by ThatGirlInGray
First of all, making up something because there isn't an established term is one way we get new words, like Polyamorous. Being made-up doesn't necessarily make it stupid.
I agree with you here. But I don't think this term works, because monogamy has such an established meaning, that is, being in a relationship with one person only. That's why I think bi-monogamy is nonsensical.