I understand in porno DILF, and cub having a different meaning but when it comes to Hollywood sometimes for no reason they represent folks in an unrealistic way.
From the movie "127 hours"
This are the girls that hang out with him before that boulder fell on his arm.
Here the actual girls, and that's a good picture... obviously they're not as sexy as the actresses playing them. In the movie he doesn't even have sex with any of them.
http://pic.pimg.tw/winddaughter/1380723350-3942767562.jpg