Lyndsey McElroy, played by Courtney Thorne-Smith, is Jake's best friend's mom gone Alan's girlfriend. She also happens to be Judith and Herb's neighbor. Oh her seedy back history includes a softcore porn.
Lyndsey: Oh, God. You saw "Cinnamon's Buns?"
Charlie: Not all the way through. Though I'm very familiar with the bakery shop scene in the middle. You know, with the frosting gun?
Charlie: Give me in the lay of the land.
Lyndsey: You mean who in this land can you lay?