In the Service of Circe, Chapter 4
But these weren't like the other freaks; no two headed sheep or siamese twins, these were...beasts.
Circe's Traveling Circus
There were the siamese twins, which may or may not have been real, the bearded lady, the fat lady (and boy was she fat!), and the usual stuff. to my surprise the door to the "beast house" was actually guarded, and the guy opened the door to let me in.
Unplanned Adventures Part 6 - Uncomfortable Generations
"we may not have won a war or unhooked siamese twins," leo said, "but we were both in sports and we know what the crowd likes." he winked at mike.
Pokemon - Tale of the Guardian Master - CH 154
I think you could best describe it as a personality disorder, like having a siamese twin buried inside her body. serenity and, some call it shadow matter, they work separate from each other.
In the Service of Circe, Chapter 3
The show wasn't very large, and while most of the 'displays' were beasts like me, there were a few genuine freaks such as the siamese twins, a woman with a partially formed second head, etc.
A Beastly Encounter: A Tale Of Beastiality And Lycanthropy
We saw female siamese twins (who performed a practically pornographic strip act), a man with two faces, a woman with three legs, midgets galore, a woman acrobat with no arms and legs, a man with alligator like skin who told dirty jokes that would make sailors
The Fury of the Horny Cats!
True to their namesake, the siamese cats are siamese twins. the only vaguely human thing about them is the pair of legs they share. that may actually be incorrect, since they have feminine lumps on their chest, fully figured from the head down.
Double Desires part 02: Both ways
A lifetime of living with felines made him spin on the spot to face the door to his bedroom; catching the pair of siamese twins in the act of sneaking in behind his back.
A Hero's Reward Part XI: Heaven's Eleven
"you two look like siamese twins joined at the tongue..." the panthress replied slyly, "...not long." the two of them desperately prayed that she had not heard anything. "well, um... nikki and i were about to go to riku's place and-" "no!
Newfound Sanctuary
Now i'm your siamese twin!" scootaloo looked a little blue in the face before running towards me, "oh man... no! james, help! i can't get her... huh?"