The phrase "former prostitute" refers to a person who used to engage in the work of exchanging sexual services for money but no longer does it. Full definition
The film casts Argento as Sarah, a sleazy former prostitute who has just regained custody of her son Jeremiah - though it's clear that she's in no state to be raising a child (she convinces Jeremiah that he'll be crucified if he attempts to go back to his foster parents). (reelfilm.com)
But then the next scene contains tasteless jokes that would make Duke Nukem Forever cringe, like the vulgar taunts of the filth zombies, who are codified as former prostitutes, or a lingerie shop that has two giant animatronic legs hanging out of the roof, just so Yaiba can propel a truck in between them and stand triumphantly as thongs rain down on him. (hardcoregaming101.net)
The News's piece comes with a retelling of the story of Client 9, several photos of former prostitute Ashley Dupré, and a transcript of part of the paper's «endorsement interview» with Spitzer. (nymag.com)