Judging by Twitter reaction, this is not for the squeamish: The dirty little secret of wannabe Sex&City types was on unnerving display at FishTag the other night. Our table was squished between two crammed with big bottoms who kept squeezing in and out between courses, of which there were way too many. After about the sixth go-round, I told my consort this reeked of scarf-and-barf. He looked at me as if I was nuts. Then he exited the unisex bathroom on our way out and reported: “Greens were floating in the toilet.”