never happen. all conjoined twins are dykes.

But what if they're joined at a bad angle for... you know...?

According to the movie "Freaks", no. You only get the one you paid for, and the other one is free to get hitched to a different guy, or live out her life as a bitter, three-dozen-cats-owning spinster. That'd probably get real awkward, real quick, so best bet is to move to Utah and convince both of them to marry you.

Hurf Blurf- then you're fucked. Or rather, you're not.