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!
by Allie December 10, 2004
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?