1 definition by pifsda

A person who seems like a goody-goody. They dress very modestly, are plain looking, and seem quiet. However secretly they are a huge slut and that's why guys go for them.
Girl A: Do you see that guy with Anne? What does he see in her she's so plain!
Girl B: He only likes her cause she's a secret slut
Girl A: Ohh wow I had no idea!
by pifsda October 4, 2009
Get the secret slut mug.