The girl who claims that she is not sexually active, and never has been, but at a closer look has a different guy over every weekend to "watch a movie." She will claim that they just "snuggle," but it becomes harder to believe with each stranger she brings home.
It is possible she is a compulsive liar, or it is possible that she just has paternal "daddy" issues.
Guy A: "Yo, that girl Haley isn't down for anything."
Guy B: "Nah, bro, word on the street is she's an Undercover Freak, and she's good. She just keeps it on the down low."