"In the regular world, Halloween is when children dress up in costumes and beg for candy. In Girl World, Halloween is the one night a year when a girl can dress like a total slut and no other girls can say anything about it. The hardcore girls just wear lingerie and some form of animal ears."
<Karen greets Gretchen at her door wearing a black teddie and mouse ears; Gretchen is in a black catsuit with cat ears>
Gretchen: "What are you?"
Karen: "I'm a mouse." <points at ears> "Duh."