Fancy Dress 

Themed party where the attendees all wear clothes not typical of their daily attire. Not to be confused with FORMAL DRESS.

Girl 1: What are you wearing to Kim's fancy dress party?
Girl 2: A wonderwoman costume :)
Boy 1: Rad!

Fancy Dress by Allie December 10, 2004

Dress fancy at school day 

You need to dress fancy at school (ex: wheat a polo) on the 2nd of may

Hey are you doing the dress fancy at school day this year?

Dress fancy at school day by Jackkkkkoooooooooiiiooooi May 1, 2022

Fanny Dress 

A dress specially designed for the female vagina, usually sold at Romford Market for a fiver.

Sharon took an enormous liking to her fantastic, gorgeous, polka dotted fanny dress. She decided to go to her local disco to show it off.

Fanny Dress by Spanky Becks May 19, 2007