Translation of "Siamoise" into English

Tu as dit que les Siamois etaient comme nous.

You said the Siamese people are just like us.

Votre pote de combat est comme votre siamois.

Your battle buddy is like a Siamese twin.

On dirait deux siamois attachés par l'étui de portable.

Those two are like siamese twins attached at the cell phone holster.