Perth. PERTH CITY CENTRE. Visiting PERTH, JAN ! - Sexy AsianMiddleeastern PreopTs -. case with a pre-op TS. I will be referring to both categories of TS as pre-op in this article, since it is a more widely used expression. These are. The pre-op TS who will immediately reject men she suspects of sexual motivation is likely making a tactical error. Men are pigs. Men are sexual hunters. It is their.