The tone of voice and mannerisms used by gay men and teenage girls. The kind of tone that implies -"you're boring, please stop interrupting my fabulous life with your stupid questions."
When he answered the phone at the travel agency, his flouncy speak really put me off. I better take my boring inquiries elsewhere.
So, I was likein the club, with mah boyz, right? And this gnarley ass broad, wearing her torn up hooker fish nets and her jizz stained pleather boots, totally flaunched herself all up on my junk.
A drop in replacement for fancy, with a lot more panache! Use fauncy in your day to day conversations to illustrate your sharp judgment and taste. People will know immediately the kind of discerning and most importantly, fauncy person you are!