Definitions by _lady_bugg_

slut's-her-face 

The term used for a slutty girl whose name you can't remember (a combination of "slut" and "what's-her-face"); often used when talking about an ex's new slutty girlfriend or the slutty girlfriend of a guy you like.

Ann: So, are you going out with Roger?
Molly: No, he's still going out with slut's-her-face.

slut's-her-face by _lady_bugg_ January 13, 2009