A day celebrated every year on October 31 in which it is socially acceptable for women to wear slutty outfits to school, work, or any other function without repercussion. One of the favorite holidays of the male gender.
John: Dude, did you see all those chicks on campus today? I thought i had walked into a stripper club!
Joe: Of course man, it's dress like a whore day!
Joe: Of course man, it's dress like a whore day!
by PhysicsGod November 1, 2009