Future Slut of America:
Used to define a girl who is young but dresses like a slut. Started seeing them when Britney Spears came out.
Syn: JoJo or Chicks on Disney
Senior: Damn man, your sister looks hott in that halter top.
Friend: Dude she's in the 8th grade.
Senior: Oh, I guess she's just another FSA.
Friend: Yeah, my mom probably shouldn't let her go out like that.